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<title><![CDATA[VHDL文档资料一]]></title>
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<TD style="FONT-FAMILY: 宋体; FONT-SIZE: 12px; TEXT-DECORATION: none" align=middle>VHDL文档资料一</TD></TR>
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<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN><A href="http://blog.eccn.com/link.php?url=http://yunfile.com%2Ffile%2Fedafarm%2Fde073be6%2F" target=_blank><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/de073be6/</SPAN></A></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
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<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN><A href="http://blog.eccn.com/link.php?url=http://yunfile.com%2Ffile%2Fedafarm%2Fe7a61de7%2F" target=_blank><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/e7a61de7/</SPAN></A></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
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<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN><A href="http://blog.eccn.com/link.php?url=http://yunfile.com%2Ffile%2Fedafarm%2Febfbb745%2F" target=_blank><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/ebfbb745/</SPAN></A></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
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<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN><A href="http://blog.eccn.com/link.php?url=http://yunfile.com%2Ffile%2Fedafarm%2Ff6547a77%2F" target=_blank><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/f6547a77/</SPAN></A></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
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<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN><A href="http://blog.eccn.com/link.php?url=http://yunfile.com%2Ffile%2Fedafarm%2Ffbd75f31%2F" target=_blank><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/fbd75f31/</SPAN></A></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
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<P>更多资料，欢迎访问：<A href="http://blog.eccn.com/link.php?url=http://www.edafarm.com%2F" target=_blank><FONT color=#000000>www.edafarm.com</FONT></A></P></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE>]]></description>
<author>水牛</author>
<pubDate>2011-1-11 1:02:00</pubDate>
</item>
<item>
<title><![CDATA[于博士CADENCE视频教程]]></title>
<link>http://blog.21ic.com/user1/1318/archives/2011/81577.html</link>
<description><![CDATA[<DIV style="LAYOUT-GRID:  15.6pt none" class=Section0>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0 align=center><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">于博士CADENCE视频教程</SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">教程定位：</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">零基础快速入门教程，实实在在为初学者着想。</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">远离学院派式的教育，从工程师的角度解决工程师遇到的问题。</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">教程目标：</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">致力于解决<SPAN style="FONT-FAMILY: Times New Roman">Cadence </SPAN><SPAN style="FONT-FAMILY: 宋体">软件入门难的问题。</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">轻松学习，快速上手，最大限度降低<SPAN style="FONT-FAMILY: Times New Roman">Cadence </SPAN><SPAN style="FONT-FAMILY: 宋体">软件学习的时间成本。</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">教程特色：</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">实战为王，国内唯一一部以实际工程为主线的视频教程。</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">系统性强，从原理图到<SPAN style="FONT-FAMILY: Times New Roman">PCB </SPAN><SPAN style="FONT-FAMILY: 宋体">设计到出光绘全部流程。</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">各集任务明确，要点清晰，招招实用，超级详细。</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">从零开始，无需任何基础，直观易懂，手把手式的讲解。</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">一听就懂，一学就会，一用就灵。</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">Cadence SPB15.7 <SPAN style="FONT-FAMILY: 宋体">快速入门视频教程目录</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">1</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 课程介绍，学习方法，了解</SPAN><SPAN style="FONT-FAMILY: Times New Roman">CADENCE</SPAN><SPAN style="FONT-FAMILY: 宋体">软件</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/6f79df71/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/6f79df71/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">2</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 创建工程，创建元件库</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/6c3003c2/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/6c3003c2/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">3</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 分裂元件的制作方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、</SPAN><SPAN style="FONT-FAMILY: Times New Roman">homogeneous </SPAN><SPAN style="FONT-FAMILY: 宋体">和 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">heterogeneous </SPAN><SPAN style="FONT-FAMILY: 宋体">区别</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、创建</SPAN><SPAN style="FONT-FAMILY: Times New Roman">homogeneous</SPAN><SPAN style="FONT-FAMILY: 宋体">类型元件</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、创建</SPAN><SPAN style="FONT-FAMILY: Times New Roman">heterogeneous</SPAN><SPAN style="FONT-FAMILY: 宋体">类型元件</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/8eee62dd/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/8eee62dd/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">4</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 正确使用</SPAN><SPAN style="FONT-FAMILY: Times New Roman">heterogeneous</SPAN><SPAN style="FONT-FAMILY: 宋体">类型的元件</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、可能出现的错误</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、出现错误的原因</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、正确的处理方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/274e0932/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/274e0932/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">5</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 加入元件库，放置元件</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、如何在原理图中加入元件库</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、如何删除元件库</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、如何在元件库中搜索元件</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4<SPAN style="FONT-FAMILY: 宋体">、放置元件</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">5<SPAN style="FONT-FAMILY: 宋体">、放置电源和地</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/2699f39a/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/2699f39a/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">6</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 同一个页面内建立电气互连</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、放置</SPAN><SPAN style="FONT-FAMILY: Times New Roman">wire</SPAN><SPAN style="FONT-FAMILY: 宋体">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman">90</SPAN><SPAN style="FONT-FAMILY: 宋体">度转角，任意转角</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、</SPAN><SPAN style="FONT-FAMILY: Times New Roman">wire</SPAN><SPAN style="FONT-FAMILY: 宋体">的连接方式</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、十字交叉</SPAN><SPAN style="FONT-FAMILY: Times New Roman">wire</SPAN><SPAN style="FONT-FAMILY: 宋体">加入连接点方法，删除连接点方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4<SPAN style="FONT-FAMILY: 宋体">、放置</SPAN><SPAN style="FONT-FAMILY: Times New Roman">net alias</SPAN><SPAN style="FONT-FAMILY: 宋体">方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">5<SPAN style="FONT-FAMILY: 宋体">、没有任何电气连接管脚处理方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">6<SPAN style="FONT-FAMILY: 宋体">、建立电气连接的注意事项</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/38cfcb0e/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/38cfcb0e/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">7</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 总线的使用方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、放置总线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、放置任意转角的总线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、总线命名规则</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4<SPAN style="FONT-FAMILY: 宋体">、把信号连接到总线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">5<SPAN style="FONT-FAMILY: 宋体">、重复放置与总线连接的信号线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">6<SPAN style="FONT-FAMILY: 宋体">、总线使用中的注意事项</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">7<SPAN style="FONT-FAMILY: 宋体">、在不同页面之间建立电气连接</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/94eb62b7/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/94eb62b7/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">8</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">browse</SPAN><SPAN style="FONT-FAMILY: 宋体">命令的使用技巧</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、浏览所有</SPAN><SPAN style="FONT-FAMILY: Times New Roman">parts</SPAN><SPAN style="FONT-FAMILY: 宋体">，使用技巧</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、浏览所有</SPAN><SPAN style="FONT-FAMILY: Times New Roman">nets</SPAN><SPAN style="FONT-FAMILY: 宋体">，使用技巧</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、浏览所有</SPAN><SPAN style="FONT-FAMILY: Times New Roman">offpage connector</SPAN><SPAN style="FONT-FAMILY: 宋体">，使用技巧</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4<SPAN style="FONT-FAMILY: 宋体">、浏览所有</SPAN><SPAN style="FONT-FAMILY: Times New Roman">DRC makers</SPAN><SPAN style="FONT-FAMILY: 宋体">，使用技巧</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/caee2bbe/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/caee2bbe/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">9</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 搜索操作使用技巧</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、搜索特定</SPAN><SPAN style="FONT-FAMILY: Times New Roman">part</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、搜索特定</SPAN><SPAN style="FONT-FAMILY: Times New Roman">net</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、搜索特定</SPAN><SPAN style="FONT-FAMILY: Times New Roman">power</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4<SPAN style="FONT-FAMILY: 宋体">、搜索特定</SPAN><SPAN style="FONT-FAMILY: Times New Roman">flat nets</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/9d32e0fd/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/9d32e0fd/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">10</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 元件的替换与更新</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、</SPAN><SPAN style="FONT-FAMILY: Times New Roman">replace cache</SPAN><SPAN style="FONT-FAMILY: 宋体">用法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、</SPAN><SPAN style="FONT-FAMILY: Times New Roman">update cache</SPAN><SPAN style="FONT-FAMILY: 宋体">用法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、</SPAN><SPAN style="FONT-FAMILY: Times New Roman">replace cache</SPAN><SPAN style="FONT-FAMILY: 宋体">与</SPAN><SPAN style="FONT-FAMILY: Times New Roman">pdate cache</SPAN><SPAN style="FONT-FAMILY: 宋体">区别</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/4295e3d4/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/4295e3d4/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">11</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 对原理图中对象的基本操作</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、对象的选择</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、对象的移动</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、对象的旋转</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4<SPAN style="FONT-FAMILY: 宋体">、对象的镜像翻转</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">5<SPAN style="FONT-FAMILY: 宋体">、对象的拷贝、粘贴、删除</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/16887e21/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/16887e21/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">12</SPAN><SPAN style="FONT-FAMILY: 宋体">讲</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、修改元件的</SPAN><SPAN style="FONT-FAMILY: Times New Roman">VALUE</SPAN><SPAN style="FONT-FAMILY: 宋体">及索引编号方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、属性值位置调整</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、放置文本</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4<SPAN style="FONT-FAMILY: 宋体">、文本的移动、旋转、拷贝、粘贴、删除</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">5<SPAN style="FONT-FAMILY: 宋体">、编辑文字的大小、字体、颜色</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">6<SPAN style="FONT-FAMILY: 宋体">、放置图形</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/41cd5237/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/41cd5237/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">13</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 如何添加</SPAN><SPAN style="FONT-FAMILY: Times New Roman">footprint</SPAN><SPAN style="FONT-FAMILY: 宋体">属性</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、在原理图中修改单个元件封装信息</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、在元件库中修改封装信息，更新到原理图</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3<SPAN style="FONT-FAMILY: 宋体">、批量修改元件封装信息</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">两种方法：（<SPAN style="FONT-FAMILY: Times New Roman">1</SPAN><SPAN style="FONT-FAMILY: 宋体">） 直接针对元件修改，（</SPAN><SPAN style="FONT-FAMILY: Times New Roman">2</SPAN><SPAN style="FONT-FAMILY: 宋体">）在</SPAN><SPAN style="FONT-FAMILY: Times New Roman">property editor</SPAN><SPAN style="FONT-FAMILY: 宋体">中选择元件修改</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4 <SPAN style="FONT-FAMILY: 宋体">检查元件封装信息是否遗漏的快速方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/175f4a59/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/175f4a59/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">14</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 生成网表</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、生成</SPAN><SPAN style="FONT-FAMILY: Times New Roman">netlist</SPAN><SPAN style="FONT-FAMILY: 宋体">前的准备工作</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、生成</SPAN><SPAN style="FONT-FAMILY: Times New Roman">netlist</SPAN><SPAN style="FONT-FAMILY: 宋体">方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/a276d182/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/a276d182/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">15</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 后处理</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1<SPAN style="FONT-FAMILY: 宋体">、生成元件清单</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2<SPAN style="FONT-FAMILY: 宋体">、打印原理图</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/6a23934b/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/6a23934b/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">16</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 高速电路设计流程，本教程使用的简化流程</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/d30ece72/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/d30ece72/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">17</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">Allegro</SPAN><SPAN style="FONT-FAMILY: 宋体">常用软件模块介绍，各个软件模块之间的关系</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/807a12eb/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/807a12eb/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">18</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">Allegro PCB Editor </SPAN><SPAN style="FONT-FAMILY: 宋体">软件操作界面介绍</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/bd1f3242/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/bd1f3242/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">19</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">allegro</SPAN><SPAN style="FONT-FAMILY: 宋体">中两个重要的概念：</SPAN><SPAN style="FONT-FAMILY: Times New Roman">class</SPAN><SPAN style="FONT-FAMILY: 宋体">和</SPAN><SPAN style="FONT-FAMILY: Times New Roman">subclass</SPAN><SPAN style="FONT-FAMILY: 宋体">是什么。</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/4351653d/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/4351653d/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">20</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1. Allegro<SPAN style="FONT-FAMILY: 宋体">零件库封装制作的流程步骤。</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2. <SPAN style="FONT-FAMILY: 宋体">规则形状的</SPAN><SPAN style="FONT-FAMILY: Times New Roman">smd</SPAN><SPAN style="FONT-FAMILY: 宋体">焊盘制作方法。</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3. <SPAN style="FONT-FAMILY: 宋体">表贴元件封装制作方法。</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4. 0805<SPAN style="FONT-FAMILY: 宋体">贴片电容的封装制作实例。</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/c7abb608/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/c7abb608/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">21</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1. BGA272<SPAN style="FONT-FAMILY: 宋体">封装制作 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">TI DSP6713</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2. <SPAN style="FONT-FAMILY: 宋体">如何设置引脚名称，如何修改引脚布局</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/1a121713/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/1a121713/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">22</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 如何创建自定义形状焊盘</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/47b9d2fc/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/47b9d2fc/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">23</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">SOIC</SPAN><SPAN style="FONT-FAMILY: 宋体">类型封装制作</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/4ec4b9db/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/4ec4b9db/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">24</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">PQFP</SPAN><SPAN style="FONT-FAMILY: 宋体">类型封装制作，学习引脚的旋转方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/f0deec4a/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/f0deec4a/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">25</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 包含通孔类引脚的零件制作，零件制作向导的使用</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/5a8c8ae6/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/5a8c8ae6/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">26</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 包含非电气引脚的零件制作方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/b6f3120c/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/b6f3120c/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">27</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 如何创建创建电路板</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/a55d501a/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/a55d501a/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">28</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 设置层迭结构，创建电源层地层平面</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/d0eaeabb/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/d0eaeabb/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">29</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 导入网表，栅格点设置，</SPAN><SPAN style="FONT-FAMILY: Times New Roman">DRAWING OPTION</SPAN><SPAN style="FONT-FAMILY: 宋体">设置</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/a7d03f29/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/a7d03f29/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">30</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 手工摆放零件</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/d59156a9/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/d59156a9/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">31</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 使用原理图进行交互式摆放</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/78968dff/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/78968dff/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">32</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 按原理图页面进行摆放</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/f077f901/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/f077f901/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">33</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 使用</SPAN><SPAN style="FONT-FAMILY: Times New Roman">Allegro PCB Editor</SPAN><SPAN style="FONT-FAMILY: 宋体">按</SPAN><SPAN style="FONT-FAMILY: Times New Roman">room</SPAN><SPAN style="FONT-FAMILY: 宋体">进行摆放</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/dc51ed25/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/dc51ed25/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">34</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 使用</SPAN><SPAN style="FONT-FAMILY: Times New Roman">OrCAD Capture CIS</SPAN><SPAN style="FONT-FAMILY: 宋体">按</SPAN><SPAN style="FONT-FAMILY: Times New Roman">room</SPAN><SPAN style="FONT-FAMILY: 宋体">进行摆放</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/36e13793/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/36e13793/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">35</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 快速布局，摆放过程中如何自动定位找到零件</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/9ede367b/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/9ede367b/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">36</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">PCB</SPAN><SPAN style="FONT-FAMILY: 宋体">布局基本知识简单介绍</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/bd4fe750/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/bd4fe750/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">37</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 约束规则设置对话框简介，各部分关系</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/a300695d/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/a300695d/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">38</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 约束规则设置方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/e6794f1e/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/e6794f1e/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">39</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 线宽线距规则设置示例</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/d70a873b/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/d70a873b/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">40</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 区域约束规则设置</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/3906a14f/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/3906a14f/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">41</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1. <SPAN style="FONT-FAMILY: 宋体">设置器件模型，加载模型库，赋予器件模型</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2. Constraint manager objects<SPAN style="FONT-FAMILY: 宋体">显示设置</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3. <SPAN style="FONT-FAMILY: 宋体">创建总线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/6b8d3106/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/6b8d3106/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">42</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 设置拓扑约束（方法</SPAN><SPAN style="FONT-FAMILY: Times New Roman">1</SPAN><SPAN style="FONT-FAMILY: 宋体">）</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/f95d968d/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/f95d968d/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">43</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 设置拓扑约束（方法</SPAN><SPAN style="FONT-FAMILY: Times New Roman">2</SPAN><SPAN style="FONT-FAMILY: 宋体">）</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/ff6c4b71/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/ff6c4b71/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">44</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 线长约束设置</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/034d757e/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/034d757e/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">45</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 相对延迟设置</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/cdc7ace1/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/cdc7ace1/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">46</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 差分规则设置</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/6f094f0c/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/6f094f0c/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">47</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 布线准备</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1. <SPAN style="FONT-FAMILY: 宋体">布线准备：设置颜色</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2. <SPAN style="FONT-FAMILY: 宋体">布线准备：特殊方式显示电源网络的飞线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3. <SPAN style="FONT-FAMILY: 宋体">布线准备：网络的高亮设置</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4. <SPAN style="FONT-FAMILY: 宋体">布线准备：</SPAN><SPAN style="FONT-FAMILY: Times New Roman">DRC</SPAN><SPAN style="FONT-FAMILY: 宋体">标记显示方式</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">5. <SPAN style="FONT-FAMILY: 宋体">布线准备：布线栅格点设置</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">6. <SPAN style="FONT-FAMILY: 宋体">布线准备：飞线显示的开关</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">7. <SPAN style="FONT-FAMILY: 宋体">布线准备：用不同的颜色同时高亮不同的网络</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">48</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">BGA</SPAN><SPAN style="FONT-FAMILY: 宋体">零件的自动扇出</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/713f299a/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/713f299a/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">49</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 手工布线、控制面板中内容解释</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/5377a463/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/5377a463/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">50</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 走线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1. <SPAN style="FONT-FAMILY: 宋体">走线：拉线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2. <SPAN style="FONT-FAMILY: 宋体">走线：加过孔，换层</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3. <SPAN style="FONT-FAMILY: 宋体">走线：控制线宽</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4. <SPAN style="FONT-FAMILY: 宋体">走线：推挤、抱紧</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">5. <SPAN style="FONT-FAMILY: 宋体">走线：抓焊盘</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">6. <SPAN style="FONT-FAMILY: 宋体">走线：替换走线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">7. <SPAN style="FONT-FAMILY: 宋体">走线：自动完成</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">8. <SPAN style="FONT-FAMILY: 宋体">走线：控制出线方向</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/0cf42aad/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/0cf42aad/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">51</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 群组布线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/0ea69734/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/0ea69734/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">52</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 布线时信息显示</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1. <SPAN style="FONT-FAMILY: 宋体">布线时显示延迟以及相对延迟信息</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2. <SPAN style="FONT-FAMILY: 宋体">动态显示走线长度</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/586fe74b/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/586fe74b/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">53</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 差分布线方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1. <SPAN style="FONT-FAMILY: 宋体">伴随走线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2. <SPAN style="FONT-FAMILY: 宋体">单根走线模式</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3. <SPAN style="FONT-FAMILY: 宋体">添加过孔</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4. <SPAN style="FONT-FAMILY: 宋体">自动分离与靠拢</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/855d8007/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/855d8007/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">54</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 两种高速布线形式</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1. <SPAN style="FONT-FAMILY: 宋体">含</SPAN><SPAN style="FONT-FAMILY: Times New Roman">T</SPAN><SPAN style="FONT-FAMILY: 宋体">形连接点的网络走线方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2. <SPAN style="FONT-FAMILY: 宋体">蛇形走线方法</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3. <SPAN style="FONT-FAMILY: 宋体">修线</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/173ffbfd/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/173ffbfd/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">55</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 铺铜操作</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1. <SPAN style="FONT-FAMILY: 宋体">内电层铺铜</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2. <SPAN style="FONT-FAMILY: 宋体">外层铺铜</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3. <SPAN style="FONT-FAMILY: 宋体">编辑</SPAN><SPAN style="FONT-FAMILY: Times New Roman">shape</SPAN><SPAN style="FONT-FAMILY: 宋体">的边界</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4. <SPAN style="FONT-FAMILY: 宋体">指定网络</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">5. <SPAN style="FONT-FAMILY: 宋体">手工</SPAN><SPAN style="FONT-FAMILY: Times New Roman">void</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">6. <SPAN style="FONT-FAMILY: 宋体">删除孤岛</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">7. <SPAN style="FONT-FAMILY: 宋体">铺静态铜皮</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">8. <SPAN style="FONT-FAMILY: 宋体">铜皮的合并</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/42b74afc/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/42b74afc/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">56</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 电源层分割</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/a631c272/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/a631c272/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">57</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 后处理：重新编号，</SPAN><SPAN style="FONT-FAMILY: Times New Roman">back annotate</SPAN><SPAN style="FONT-FAMILY: 宋体">，查看报告，数据库检查等杂散操作。</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/edc3d5bb/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/edc3d5bb/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">58</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 丝印处理</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/0121c198/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/0121c198/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><BR></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">第<SPAN style="FONT-FAMILY: Times New Roman">59</SPAN><SPAN style="FONT-FAMILY: 宋体">讲 </SPAN><SPAN style="FONT-FAMILY: Times New Roman">NC DRILL </SPAN><SPAN style="FONT-FAMILY: 宋体">相关操作</SPAN></SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/883ae9cb/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/883ae9cb/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
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<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">下载地址：</SPAN><A href="http://yunfile.com/file/edafarm/8daed364/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/8daed364/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P></DIV>]]></description>
<author>水牛</author>
<pubDate>2011-1-6 12:13:00</pubDate>
</item>
<item>
<title><![CDATA[学习电子电路的好资料（视频与仿真软件）]]></title>
<link>http://blog.21ic.com/user1/1318/archives/2011/81575.html</link>
<description><![CDATA[<DIV style="LAYOUT-GRID:  15.6pt none" class=Section0>
<P style="TEXT-ALIGN: center; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '楷体_GB2312'; FONT-SIZE: 14pt; mso-spacerun: 'yes'"><STRONG><SPAN style="FONT-FAMILY: 宋体">学习电子电路的好资料（视频与仿真软件）</SPAN></STRONG></SPAN></P>
<P style="TEXT-ALIGN: center; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0 align=left><SPAN style="FONT-FAMILY: '楷体_GB2312'; FONT-SIZE: 14pt; mso-spacerun: 'yes'"><STRONG><SPAN style="FONT-FAMILY: 宋体"></SPAN></STRONG></SPAN>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0 align=left><SPAN style="FONT-FAMILY: '楷体_GB2312'; FONT-SIZE: 14pt; mso-spacerun: 'yes'"><STRONG><SPAN style="FONT-FAMILY: 宋体"></SPAN></STRONG></SPAN>&nbsp;</P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">下面包括电子电路仿真软件软件与电路一些常用的电路分析，是学习电子电路的好资料，看后一定会有收获的。</SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"></SPAN>&nbsp;</P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">A</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">-</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">参考文献</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><A href="http://yunfile.com/file/edafarm/c69bf095/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; FONT-WEIGHT: bold; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/c69bf095/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">B</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">-</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">安装仿真平台用</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">：</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">用来安装《电子电路仿真平台》，做法见“仿真平台安装说明”。</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><A href="http://yunfile.com/file/edafarm/25b03728/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/25b03728/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">C-</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">平台使用说明</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><A href="http://yunfile.com/file/edafarm/951fa61e/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; FONT-WEIGHT: bold; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/951fa61e/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">D</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">-</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">扩充学习资料</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">（1）</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">电路的电磁学知识基础</SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">&nbsp;</SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><A href="http://yunfile.com/file/edafarm/b0179bd5/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/b0179bd5/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">（2）</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">二阶微分方程的解</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><A href="http://yunfile.com/file/edafarm/db24e342/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/db24e342/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">E</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">-</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'">专题配音讲解</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; FONT-WEIGHT: bold; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">提供了</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4个专题配音讲解，是影音文档，可用</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">Windows</SPAN><SPAN style="FONT-FAMILY: '黑体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">&nbsp;</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">Media</SPAN><SPAN style="FONT-FAMILY: '黑体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">&nbsp;</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">Player</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">等播放</SPAN><SPAN style="FONT-FAMILY: '黑体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">。</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">讲解比较简练，播放时可随时停下观看、思考。</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">文件名称及其主题如下：</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">1-BEGIN.AVI&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">&nbsp;&nbsp;&nbsp;平台</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">简介</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">，平台使用入门</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">&nbsp;</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><A href="http://yunfile.com/file/edafarm/5c4a8d2a/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: 'Book Antiqua'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/5c4a8d2a/</SPAN></A><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; TEXT-INDENT: -113.925pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 20.895pt" class=p0><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">2-RC</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">L</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">.AVI</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;RC</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">L</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">组成的简单电路，说明瞬态分析，傅立叶频谱分析，交流分析的做法，与理论分析的对应关系</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><A href="http://yunfile.com/file/edafarm/6b7cabeb/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: 'Book Antiqua'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/6b7cabeb/</SPAN></A><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">3-DIO.AVI&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">&nbsp;&nbsp;&nbsp;&nbsp;二极管特性认识，说明对含非线性电阻电路解法</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><A href="http://yunfile.com/file/edafarm/cec9ee68/"><SPAN style="http://blog.21ic.com/FONT-FAMILY: '宋体'; COLOR: rgb(0,0,255); FONT-SIZE: 10pt; TEXT-DECORATION: underline; mso-spacerun: 'yes'" class=15>http://yunfile.com/file/edafarm/cec9ee68/</SPAN></A><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
<P style="MARGIN-TOP: 0pt; MARGIN-BOTTOM: 0pt; MARGIN-LEFT: 21pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">4</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">-AMFB.AVI</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'">以模型化电路建立放大电路与负反馈理论概念</SPAN><SPAN style="FONT-FAMILY: 'Book Antiqua'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P>
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<P style="MARGIN-TOP: 0pt; TEXT-INDENT: 21pt; MARGIN-BOTTOM: 0pt" class=p0><SPAN style="FONT-FAMILY: '宋体'; FONT-SIZE: 10.5pt; mso-spacerun: 'yes'"><o:p></o:p></SPAN></P></DIV>]]></description>
<author>水牛</author>
<pubDate>2011-1-6 12:09:00</pubDate>
</item>
<item>
<title><![CDATA[[转载评论]智能全数字锁相环的设计]]></title>
<link>http://blog.21ic.com/user1/349/archives/2007/43254.html</link>
<description><![CDATA[<DIV class=dateTitle>&nbsp;</DIV>
<DIV class=post>
<DIV class=postText align=center><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-SIZE: 14pt">智</SPAN>能全数字锁相环的设计</SPAN></DIV>
<DIV class=postText align=center><SPAN style="FONT-SIZE: 14pt"></SPAN>&nbsp;</DIV>
<DIV class=postText><B><WBR>摘要：&nbsp;</B><WBR><SPAN style="FONT-FAMILY: 宋体">在FPGA片内实现全数字锁相环用途极广。本文在集成数字锁相环74297的基础上进行改进，设计了锁相状态检测电路，配合CPU对环路滤波参数进行动态智能配置，从而使锁相环快速进入锁定状态，在最短时间内正常工作并且提高输出频率的质量。&nbsp;</SPAN><WBR><WBR><BR><B><WBR>关键词：&nbsp;</B><WBR><SPAN style="FONT-FAMILY: 宋体">全数字锁相环&nbsp;数字环路滤波器&nbsp;数字单稳态振荡器&nbsp;</SPAN><WBR><WBR><BR><B><WBR>1&nbsp;</B><WBR><B><WBR>引言&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">数字锁相环路已在数字通信、无线电电子学及电力系统自动化等领域中得到了极为广泛的应用。随着集成电路技术的发展，不仅能够制成频率较高的单片集成锁相环路，而且可以把整个系统集成到一个芯片上去。在基于FPGA的通信电路中，可以把全数字锁相环路作为一个功能模块嵌入FPGA中，构成片内锁相环。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">锁相环是一个相位误差控制系统。它比较输入信号和振荡器输出信号之间的相位差，从而产生误差控制信号来调整振荡器的频率，以达到与输入信号同频同相。所谓全数字锁相环路(DPLL)就是环路部件全部数字化，采用数字鉴相器（DPD）、数字环路滤波器(DLF)、数控振荡器(DCO)构成的锁相环路，其组成框图见图1示。&nbsp;</SPAN><WBR><WBR><BR></DIV>
<P class=postText align=center><SPAN style="FONT-FAMILY: 宋体"><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=8b4244936f654b3b7e0c448d1d2cdcebd23883ff67d06c0ac1972e246e83d0a583b899352057c735aed3c13dc8615c71fa0e9b0349eeb54c2b4c12d9538d2a29e300a4d1a86ab86192e3800a0aad3a65d96bae9f" target=_blank></A><IMG alt="http://blog.21ic.com/" src="http://blog.21ic.com//UploadFiles/2008-3/131521874285.gif" border=0></P><WBR>
<DIV class=postText><BR><BR></DIV>
<DIV class=postText></SPAN><WBR><WBR><SPAN style="FONT-FAMILY: 宋体">当锁相环中的鉴相器与数控振荡器选定后，锁相环的性能很大程度依赖于数字环路滤波器的参数设置。&nbsp;</SPAN><WBR><WBR><BR><B><WBR>2&nbsp;K</B><WBR><B><WBR>计数器的参数设置&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">74297中的环路滤波器采用了K计数器。其功能就是对相位误差序列计数即滤波，并输出相应的进位脉冲或是借位脉冲，来调整I/D数控振荡器输出信号的相位（或频率），从而实现相位控制和锁定。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">K计数器中K值的选取需要由四根控制线来进行控制，模值是2的N次幂。在锁相环路同步的状态下，鉴相器既没有超前脉冲也没有滞后脉冲输出，所以K计数器通常是没有输出的；这就大大减少了由噪声引起的对锁相环路的误控作用。也就是说，K计数器作为滤波器，有效地滤除了噪声对环路的干扰作用。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">显然，设计中适当选取K值是很重要的。K值取得大，对抑止噪声有利（因为K值大，计数器对少量的噪声干扰不可能计满，所以不会有进位或借位脉冲输出），但这样捕捉带变小，而且加大了环路进入锁定状态的时间。反之，K值取得小，可以加速环路的入锁，但K计数器会频繁地产生进位或借位脉冲，从而导致了相位抖动，相应地对噪声的抑制能力也随之降低。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">为了平衡锁定时间与相位抖动之间的矛盾，理想的情况是当数字锁相环处于失步状态时，降低K计数器的设置，反之加大其设置。实现的前提是检测锁相环的工作状态。&nbsp;</SPAN><WBR><WBR><BR><B><WBR>3&nbsp;</B><WBR><B><WBR>工作状态检测电路&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">图2为锁相环状态检测电路，由触发器与单稳态振荡器构成，fin为输入的参考时钟，fout为锁相环振荡器输出的时钟移相900。fout对fin的抽样送入单稳态振荡器。&nbsp;</SPAN><WBR><WBR><BR></DIV>
<DIV class=postText><SPAN style="FONT-FAMILY: 宋体"><SPAN style="FONT-FAMILY: 宋体"><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=bb1600b52883d79e9d9f275fb536f8d0ca40783c3b58f47fd1ac798aaefbd1cd4c4fa4b9e2b6bfb714ee1c77f036ab5c0e41eb1ffb18962646ccc60013e9d337f2f119918853351fd96465394d15f54bc98040f0" target=_blank></A><WBR></SPAN><WBR><WBR></SPAN><WBR><WBR></DIV>
<DIV class=postText><SPAN style="FONT-FAMILY: 宋体"><SPAN style="FONT-FAMILY: 宋体"><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=b0ef2d6f5eb191d8ecd3e3c9a6d5db7bd20f13a70d4f530d18d8b9bd739e48fc95c95433cda63bde2ac7fbce3d5539fa55301cbf12fbafe32b4fd175a77293aaca8388998b95d7f69c95c00687570816891690ec" target=_blank></A><WBR></SPAN><WBR><WBR></SPAN><WBR><WBR></DIV><WBR>
<P class=postText align=center><IMG alt="" src="http://blog.21ic.com//UploadFiles/2008-3/131521799152.gif" border=0></P>
<P class=postText align=center><IMG alt="" src="http://blog.21ic.com//UploadFiles/2008-3/131522258900.gif" border=0></P>
<DIV class=postText>&nbsp;<BR></DIV>
<DIV class=postText></DIV>
<DIV class=postText><SPAN style="FONT-FAMILY: 宋体">在锁定状态如图3，fout与fin具有稳定的相位关系，&nbsp;fout对fin抽样应全部为0或1，这样不会激发振荡器振荡，从而lock将输出低电平；而失锁状态时如图4，fout与fin出现相位之间的滑动，抽样时就不会出现长时间的0或1，单稳态振荡器振荡，使lock输出高电平。锁相环的锁定状态保持时间的认定，可以通过设置振荡器的性能。在FPGA设计中，要采用片外元件来进行单稳定时，是很麻烦的，而且也不利于集成和代码移植。单稳态振荡器的实现也可以在FPGA内实现，利用计数器的方法可以设计全数字化的上升、下降沿双向触发的可重触发单稳态振荡器。&nbsp;</SPAN><WBR><WBR><BR></DIV>
<DIV class=postText><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=d5d047e85f01074354d0428ab0f8397be767882dfc030a800a831b2f29a13cf953db14b5ff375ff34979604925a2f9a1cb669cb21d296bc07e8993e04516782fd3954c79e8275952a2910624870caa834c0d3016" target=_blank></A><IMG alt="http://blog.21ic.com/" src="http://blog.21ic.com//UploadFiles/2008-3/131523274061.gif" border=0><WBR><BR><BR><BR><BR><BR><BR></DIV>
<DIV class=postText><B><WBR>4&nbsp;</B><WBR><B><WBR>智能锁相环的设计&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">智能全数字锁相环的设计如图5所示。锁相环与CPU接口电路，由寄存器来完成。对于CPU寄存器内容分为两部分：锁相环的工作状态(只读)，k计数器的参数值(读/写)。CPU可以通过外部总线读写寄存器的内容。&nbsp;</SPAN><WBR><WBR><BR></DIV>
<DIV class=postText><SPAN style="FONT-FAMILY: 宋体"><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=cb23bcef0db32cfcf5956cfa554e085ee11fc80e92d3412b30a1f8559b7b6fd20bb786a3745bb8560f3f57c9802ebecc26c1d354e66bfd6d4af2f95f0c50def8388b49a2f08f52d5c5416f411f2ffcd0276cb1d7" target=_blank></A><IMG alt="http://blog.21ic.com/" src="http://blog.21ic.com//UploadFiles/2008-3/131523453797.gif" border=0><WBR><BR><BR></SPAN><WBR><WBR></DIV>
<DIV class=postText><SPAN style="FONT-FAMILY: 宋体">CPU根据锁相环状态就可以对锁相环K计数器进行最优设置。实际测试时设置K初始值为23，此时锁相环的捕捉带较大，在很短时间内就可以达到锁定状态，lock变为低电平。CPU检测到此信号后自动将K值加1，如lock仍然为低电平，CPU会继续增加K&nbsp;值；直到锁相环失锁，记住其最佳设置值。设置K为初始值，锁定后，设置到最佳值，这样锁相会快速进入最佳的锁定状态。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">关于CPU的选择有三种方案：①FPGA片内实现CPU。片上系统的发展使其成为可能。②与片外系统共用CPU。DPLL大多用于通信系统中，而大部分通信系统都有嵌入式CPU。③单独采用一个廉价单片机（如89C51）,不仅可用于智能锁相环的控制，还可控制外部RAM实现FPGA的初始装载，一机多用，经济实惠。可以视具体情况而定。&nbsp;</SPAN><WBR><WBR><BR><B><WBR>5&nbsp;</B><WBR><B><WBR>结论&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">智能全数字锁相环，在单片FPGA中就可以实现，借助锁相环状态监测电路，通过CPU可以缩短锁相环锁定时间，并逐渐改进其输出频率的抖动特性。解决了锁定时间与相位抖动之间的矛盾，对信息的传输质量都有很大的提高。此锁相环已用于我校研发的数字通信产品中。&nbsp;</SPAN><WBR><WBR><BR>作者：中国矿业大学郑红党<BR><WBR></DIV>
<DIV class=postText>ω评论:</DIV>
<DIV class=postText>这种方法在频率不高的情况下,是蛮好的。<BR>需要源代码请联系我:flanix@63.com,或QQ加我:767914192</DIV></DIV>]]></description>
<author>水牛</author>
<pubDate>2007-11-7 11:49:00</pubDate>
</item>
<item>
<title><![CDATA[[转载评论]智能全数字锁相环的设计]]></title>
<link>http://blog.21ic.com/user1/1318/archives/2007/42673.html</link>
<description><![CDATA[<DIV align=center><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-SIZE: 14pt">智</SPAN>能全数字锁相环的设计</SPAN></DIV>
<DIV align=center><SPAN style="FONT-SIZE: 14pt"></SPAN>&nbsp;</DIV><B><WBR>摘要：&nbsp;</B><WBR><SPAN style="FONT-FAMILY: 宋体">在FPGA片内实现全数字锁相环用途极广。本文在集成数字锁相环74297的基础上进行改进，设计了锁相状态检测电路，配合CPU对环路滤波参数进行动态智能配置，从而使锁相环快速进入锁定状态，在最短时间内正常工作并且提高输出频率的质量。&nbsp;</SPAN><WBR><WBR><BR><B><WBR>关键词：&nbsp;</B><WBR><SPAN style="FONT-FAMILY: 宋体">全数字锁相环&nbsp;数字环路滤波器&nbsp;数字单稳态振荡器&nbsp;</SPAN><WBR><WBR><BR><B><WBR>1&nbsp;</B><WBR><B><WBR>引言&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">数字锁相环路已在数字通信、无线电电子学及电力系统自动化等领域中得到了极为广泛的应用。随着集成电路技术的发展，不仅能够制成频率较高的单片集成锁相环路，而且可以把整个系统集成到一个芯片上去。在基于FPGA的通信电路中，可以把全数字锁相环路作为一个功能模块嵌入FPGA中，构成片内锁相环。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">锁相环是一个相位误差控制系统。它比较输入信号和振荡器输出信号之间的相位差，从而产生误差控制信号来调整振荡器的频率，以达到与输入信号同频同相。所谓全数字锁相环路(DPLL)就是环路部件全部数字化，采用数字鉴相器（DPD）、数字环路滤波器(DLF)、数控振荡器(DCO)构成的锁相环路，其组成框图见图1示。&nbsp;</SPAN><WBR><WBR><BR>
<P align=center><SPAN style="FONT-FAMILY: 宋体"><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=8b4244936f654b3b7e0c448d1d2cdcebd23883ff67d06c0ac1972e246e83d0a583b899352057c735aed3c13dc8615c71fa0e9b0349eeb54c2b4c12d9538d2a29e300a4d1a86ab86192e3800a0aad3a65d96bae9f" target=_blank></A><IMG alt="http://blog.21ic.com/" src="http://blog.21ic.com//UploadFiles/2008-3/131521874285.gif" border=0></P><WBR>
<DIV><BR><BR></DIV></SPAN><WBR><WBR><SPAN style="FONT-FAMILY: 宋体">当锁相环中的鉴相器与数控振荡器选定后，锁相环的性能很大程度依赖于数字环路滤波器的参数设置。&nbsp;</SPAN><WBR><WBR><BR><B><WBR>2&nbsp;K</B><WBR><B><WBR>计数器的参数设置&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">74297中的环路滤波器采用了K计数器。其功能就是对相位误差序列计数即滤波，并输出相应的进位脉冲或是借位脉冲，来调整I/D数控振荡器输出信号的相位（或频率），从而实现相位控制和锁定。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">K计数器中K值的选取需要由四根控制线来进行控制，模值是2的N次幂。在锁相环路同步的状态下，鉴相器既没有超前脉冲也没有滞后脉冲输出，所以K计数器通常是没有输出的；这就大大减少了由噪声引起的对锁相环路的误控作用。也就是说，K计数器作为滤波器，有效地滤除了噪声对环路的干扰作用。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">显然，设计中适当选取K值是很重要的。K值取得大，对抑止噪声有利（因为K值大，计数器对少量的噪声干扰不可能计满，所以不会有进位或借位脉冲输出），但这样捕捉带变小，而且加大了环路进入锁定状态的时间。反之，K值取得小，可以加速环路的入锁，但K计数器会频繁地产生进位或借位脉冲，从而导致了相位抖动，相应地对噪声的抑制能力也随之降低。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">为了平衡锁定时间与相位抖动之间的矛盾，理想的情况是当数字锁相环处于失步状态时，降低K计数器的设置，反之加大其设置。实现的前提是检测锁相环的工作状态。&nbsp;</SPAN><WBR><WBR><BR><B><WBR>3&nbsp;</B><WBR><B><WBR>工作状态检测电路&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">图2为锁相环状态检测电路，由触发器与单稳态振荡器构成，fin为输入的参考时钟，fout为锁相环振荡器输出的时钟移相900。fout对fin的抽样送入单稳态振荡器。&nbsp;</SPAN><WBR><WBR><BR>
<DIV><SPAN style="FONT-FAMILY: 宋体"><SPAN style="FONT-FAMILY: 宋体"><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=bb1600b52883d79e9d9f275fb536f8d0ca40783c3b58f47fd1ac798aaefbd1cd4c4fa4b9e2b6bfb714ee1c77f036ab5c0e41eb1ffb18962646ccc60013e9d337f2f119918853351fd96465394d15f54bc98040f0" target=_blank></A><WBR></SPAN><WBR><WBR></SPAN><WBR><WBR></DIV>
<DIV><SPAN style="FONT-FAMILY: 宋体"><SPAN style="FONT-FAMILY: 宋体"><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=b0ef2d6f5eb191d8ecd3e3c9a6d5db7bd20f13a70d4f530d18d8b9bd739e48fc95c95433cda63bde2ac7fbce3d5539fa55301cbf12fbafe32b4fd175a77293aaca8388998b95d7f69c95c00687570816891690ec" target=_blank></A><WBR></SPAN><WBR><WBR></SPAN><WBR><WBR></DIV><WBR>
<P align=center><IMG alt="" src="http://blog.21ic.com//UploadFiles/2008-3/131521799152.gif" border=0></P>
<P align=center><IMG alt="" src="http://blog.21ic.com//UploadFiles/2008-3/131522258900.gif" border=0></P>&nbsp;<BR>
<DIV></DIV><SPAN style="FONT-FAMILY: 宋体">在锁定状态如图3，fout与fin具有稳定的相位关系，&nbsp;fout对fin抽样应全部为0或1，这样不会激发振荡器振荡，从而lock将输出低电平；而失锁状态时如图4，fout与fin出现相位之间的滑动，抽样时就不会出现长时间的0或1，单稳态振荡器振荡，使lock输出高电平。锁相环的锁定状态保持时间的认定，可以通过设置振荡器的性能。在FPGA设计中，要采用片外元件来进行单稳定时，是很麻烦的，而且也不利于集成和代码移植。单稳态振荡器的实现也可以在FPGA内实现，利用计数器的方法可以设计全数字化的上升、下降沿双向触发的可重触发单稳态振荡器。&nbsp;</SPAN><WBR><WBR><BR>
<DIV><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=d5d047e85f01074354d0428ab0f8397be767882dfc030a800a831b2f29a13cf953db14b5ff375ff34979604925a2f9a1cb669cb21d296bc07e8993e04516782fd3954c79e8275952a2910624870caa834c0d3016" target=_blank></A><IMG alt="http://blog.21ic.com/" src="http://blog.21ic.com//UploadFiles/2008-3/131523274061.gif" border=0><WBR><BR><BR><BR><BR><BR><BR></DIV><B><WBR>4&nbsp;</B><WBR><B><WBR>智能锁相环的设计&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">智能全数字锁相环的设计如图5所示。锁相环与CPU接口电路，由寄存器来完成。对于CPU寄存器内容分为两部分：锁相环的工作状态(只读)，k计数器的参数值(读/写)。CPU可以通过外部总线读写寄存器的内容。&nbsp;</SPAN><WBR><WBR><BR>
<DIV><SPAN style="FONT-FAMILY: 宋体"><WBR><A href="http://photo.store.qq.com/http_imgload.cgi?/rurl2=cb23bcef0db32cfcf5956cfa554e085ee11fc80e92d3412b30a1f8559b7b6fd20bb786a3745bb8560f3f57c9802ebecc26c1d354e66bfd6d4af2f95f0c50def8388b49a2f08f52d5c5416f411f2ffcd0276cb1d7" target=_blank></A><IMG alt="http://blog.21ic.com/" src="http://blog.21ic.com//UploadFiles/2008-3/131523453797.gif" border=0><WBR><BR><BR></SPAN><WBR><WBR></DIV>
<DIV><SPAN style="FONT-FAMILY: 宋体">CPU根据锁相环状态就可以对锁相环K计数器进行最优设置。实际测试时设置K初始值为23，此时锁相环的捕捉带较大，在很短时间内就可以达到锁定状态，lock变为低电平。CPU检测到此信号后自动将K值加1，如lock仍然为低电平，CPU会继续增加K&nbsp;值；直到锁相环失锁，记住其最佳设置值。设置K为初始值，锁定后，设置到最佳值，这样锁相会快速进入最佳的锁定状态。&nbsp;</SPAN><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">关于CPU的选择有三种方案：①FPGA片内实现CPU。片上系统的发展使其成为可能。②与片外系统共用CPU。DPLL大多用于通信系统中，而大部分通信系统都有嵌入式CPU。③单独采用一个廉价单片机（如89C51）,不仅可用于智能锁相环的控制，还可控制外部RAM实现FPGA的初始装载，一机多用，经济实惠。可以视具体情况而定。&nbsp;</SPAN><WBR><WBR><BR><B><WBR>5&nbsp;</B><WBR><B><WBR>结论&nbsp;</B><WBR><WBR><BR><SPAN style="FONT-FAMILY: 宋体">智能全数字锁相环，在单片FPGA中就可以实现，借助锁相环状态监测电路，通过CPU可以缩短锁相环锁定时间，并逐渐改进其输出频率的抖动特性。解决了锁定时间与相位抖动之间的矛盾，对信息的传输质量都有很大的提高。此锁相环已用于我校研发的数字通信产品中。&nbsp;</SPAN><WBR><WBR><BR>作者：中国矿业大学郑红党<BR><WBR></DIV>
<DIV>ω评论:</DIV>
<DIV>这种方法在频率不高的情况下,是蛮好的。<BR>需要源代码请联系我:flanix@63.com,或QQ加我:767914192</DIV>]]></description>
<author>水牛</author>
<pubDate>2007-10-10 23:10:00</pubDate>
</item>

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