19245068 发表于 2007-4-2 22:56:00

[转载]Specctraquest 15.0 基础教程学习

<p><strong><font face="宋体" size="3">需要使用的工具:<br/></font></strong><font color="#000000"><font face="Times New Roman"><font size="3">1)</font>&nbsp;&nbsp;<font size="3"><font color="#000000">Specctraquest SI Expert</font></font></font></font><font size="3"><font color="#000000">Specctraquest SI Expert</font></font><font face="宋体"><font size="3"><font color="#000000">:创建和分析高速电路板。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">2)</font>&nbsp;&nbsp;</font><font size="3"><font color="#000000">Specctraquest Signal Explorer Expert</font></font></font><font face="宋体"><font size="3"><font color="#000000">:提取互连拓扑结构。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">3)</font>&nbsp;&nbsp;</font><font size="3"><font color="#000000">Specctra Expert System</font></font></font><font face="宋体"><font size="3"><font color="#000000">:自动布线。</font></font></font><br/><font size="3"><font color="#000000"><b><font face="Times New Roman">Specctraquest</font></b><b><font face="宋体">的设计流程如下六步:</font></b></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">1)</font>&nbsp;&nbsp;</font></font><font face="宋体"><font size="3"><font color="#000000">预布局</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">根据板型</font><font face="Times New Roman">/</font><font face="宋体">机械特性</font><font face="Times New Roman">/</font><font face="宋体">信号完整性等的要求,需要预先摆放元件的位置,以</font><font face="Times New Roman">PC</font><font face="宋体">主板为例,如标准的</font><font face="Times New Roman">I/O</font><font face="宋体">接口、串口、并口、</font><font face="Times New Roman">ISA/PCI</font><font face="宋体">插槽,特别需要注意的是</font><font face="Times New Roman">CPU</font><font face="宋体">、内存和芯片组的摆放位置。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">2)</font>&nbsp;&nbsp;</font></font><font face="宋体"><font size="3"><font color="#000000">解空间分析</font></font></font><br/><font face="宋体"><font size="3"><font color="#000000">其主要目的是通过一些参数的要求而得到布局布线规则,进而更可靠地指导布线。比如设定设定芯片速度、走线阻抗和端接电阻等的大小,可以得到走线的线宽和线间距等的约束。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">3)</font>&nbsp;&nbsp;</font></font><font face="宋体"><font size="3"><font color="#000000">约束化布局</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">器件和元件会在由解空间分析得到的约束规则下进行布局(注意第一步只是预布局)。而这些规则由约束管理器(</font><font face="Times New Roman">Constraint Manager</font><font face="宋体">)统一管理。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1054" target="_blank">1.jpg</a> (2007-3-25 12:23 AM, 492.9 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/1_FKhnZq3sMF8j.jpg" border="0"/><br/><font size="3"><font color="#000000"></font></font><font size="3"><font color="#000000"><font face="宋体">如图所示,</font><font face="Times New Roman">Margin</font><font face="宋体">栏显示出飞线的曼哈顿长度有没有超出约束条件。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">4)</font>&nbsp;&nbsp;</font></font><font face="宋体"><font size="3"><font color="#000000">约束化布线</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">在约束规则下,也能进行自动化的布线,如果违背了这些规则,软件将实时地输出</font><font face="Times New Roman">DRC</font><font face="宋体">错误报表。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">5)</font>&nbsp;&nbsp;</font><font size="3"><font color="#000000">DRC</font></font></font><font face="宋体"><font size="3"><font color="#000000">报表</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">DRC</font><font face="宋体">标记和报表使得对哪里出现不符约束规则和哪个方面不符一目了然。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">6)</font>&nbsp;&nbsp;</font></font><font face="宋体"><font size="3"><font color="#000000">布线后分析</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">布线后分析非常重要,在约束条件下的布局布线只能找到不预期的问题。这时可以针对性地提取</font><font face="Times New Roman">NET</font><font face="宋体">进行深入分析从而解决该问题。</font></font></font><br/><font size="3"><font color="#000000"><b><font face="宋体">什么是</font></b><b><font face="Times New Roman">Specctraquest SI Expert</font></b><b><font face="宋体">?</font></b></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">Specctrquest SI Expert </font><font face="宋体">融入了功能和物理上的提取模块,其主要是针对</font><font face="Times New Roman">PCB</font><font face="宋体">板级的建模。在</font><font face="Times New Roman">Windows</font><font face="宋体">操作系统中,选择</font><font face="Times New Roman">Start&gt;Programs&gt;Cadence PSD 15.0&gt;Specctraquest</font><font face="宋体">:</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1055" target="_blank">2.jpg</a> (2007-3-25 12:23 AM, 617.21 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/2_bbuILIol73n3.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp; </font><b><font face="宋体">提取拓扑之前的准备工作:</font></b></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">1)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">需要有网表(</font><font face="Times New Roman">netlist</font><font face="宋体">)</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">描述器件的连接特性。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">2)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">层叠结构(</font><font face="Times New Roman">cross-section</font><font face="宋体">)</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">这在软件建立传输线模型时是必须的。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">3)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">设定直流网络,并给定直流值的大小</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">主要给出器件电源的直流值。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">4)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">确定器件的布局</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">5)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">设定器件的</font><font face="Times New Roman">CLASS</font><font face="宋体">特性</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">如</font><font face="Times New Roman">IC/IO/DISCRETE</font><font face="宋体">。</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">6)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">最重要的就是需要仿真的模型</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">7)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">最后要确定确定器件管角的特性</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">PINUSE</font><font face="宋体">特性</font><font face="宋体">,</font><font face="宋体">如</font><font face="Times New Roman">BI/GROUND/IN/NC/OCA/OCL/OUT/POWER/TRI/UNSPEC</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">这些步骤都可以由软件自身的工具(</font><font face="Times New Roman">Database Setup Advisor</font><font face="宋体">)所完成,</font><font face="Times New Roman">Tools&gt;Setup Advisor</font><font face="宋体">:</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1056" target="_blank">3.jpg</a> (2007-3-25 12:23 AM, 871.82 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/3_Z6j6U2SPSJiI.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">Next</font><font face="宋体">”按钮。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1057" target="_blank">4.jpg</a> (2007-3-25 12:23 AM, 758.94 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/4_5Bpyub1Osx8o.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">Edit Cross-section</font><font face="宋体">”按钮,进入“</font><font face="Times New Roman">Layout cross section</font><font face="宋体">”。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1058" target="_blank">5.jpg</a> (2007-3-25 12:23 AM, 1.35 M)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/5_H4GRqLn9bBQA.jpg" width="716" border="0" pop="点击在新窗口查看全图&lt;br&gt;CTRL+鼠标滚轮放大或缩小" resized="resized" style="CURSOR: hand;"/><br/><font size="3"><font color="#000000"><font face="宋体">在“</font><font face="Times New Roman">Layout Cross Section</font><font face="宋体">”窗口中,可以</font><font face="Times New Roman">PCB</font><font face="宋体">板的物理特性和电气特性。当我们从</font><font face="Times New Roman">PCB Layout </font><font face="宋体">工程师那里得到</font><font face="Times New Roman">.brd</font><font face="宋体">文件后,会发现板子叠层结构已经存在,信号完整性工程师需要确认的是该结构满不满足阻抗要求。设置好后,点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮,又会返回“</font><font face="Times New Roman">Database Setup Advisor</font><font face="宋体">”窗口。需要指出的是,也可以直接</font><font face="Times New Roman">Setup&gt;Cross-Section</font><font face="宋体">进入“</font><font face="Times New Roman">Layout Cross Section</font><font face="宋体">”界面。</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">Next</font><font face="宋体">”按钮。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1059" target="_blank">6.jpg</a> (2007-3-25 12:23 AM, 897.94 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/6_9pgCA8y7aaeV.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">Identify DC Nets</font><font face="宋体">”按钮,会进入“</font><font face="Times New Roman">Identify DC Nets</font><font face="宋体">”窗口。当然也可以直接</font><font face="Times New Roman">Logic&gt;Identify DC Nets</font><font face="宋体">。(未完待续)</font></font></font><br/><font size="3"><font color="#000000"><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1060" target="_blank">7.jpg</a> (2007-3-25 12:23 AM, 632.89 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/7_akM7xjyquAkC.jpg" border="0"/></font></font></p><p><font size="3">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</font></p><p><font size="3">转载自:中国高速设计网 <a href="http://www.sipiemc.cn">www.sipiemc.cn</a></font></p>
[此贴子已经被作者于2007-4-2 22:59:41编辑过]

19245068 发表于 2007-4-2 22:57:00

<p><font size="3"><font face="宋体">点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮确定,返回“</font><font face="Times New Roman">Database Setup Advisor</font><font face="宋体">”界面。</font><br/><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">Next</font><font face="宋体">”按钮。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1061" target="_blank">8.jpg</a> (2007-3-25 12:30 AM, 956.91 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/8_jxe7mUdRsYJ1.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">Device Setup</font><font face="宋体">”按钮,会进入“</font><font face="Times New Roman">Device Setup</font><font face="宋体">”窗口。注意这时设置的都是“</font><font face="Times New Roman">PINUSE</font><font face="宋体">”特性为“</font><font face="Times New Roman">UNSPEC</font><font face="宋体">”的器件。</font><font face="Times New Roman">Logic&gt;Parts List</font><font face="宋体">和</font><font face="Times New Roman">Logic&gt;Pin Type</font><font face="宋体">可以设置“</font><font face="Times New Roman">CLASS</font><font face="宋体">”和“</font><font face="Times New Roman">PINUSE</font><font face="宋体">”特性。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1062" target="_blank">9.jpg</a> (2007-3-25 12:30 AM, 811.49 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/9_HbI8STSLSkyx.jpg" width="716" border="0" pop="点击在新窗口查看全图&lt;br&gt;CTRL+鼠标滚轮放大或缩小" resized="resized" style="CURSOR: hand;"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮完成设置,返回“</font><font face="Times New Roman">Database Setup Advisor</font><font face="宋体">”界面。</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">Next</font><font face="宋体">”按钮。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1063" target="_blank">10.jpg</a> (2007-3-25 12:30 AM, 799.23 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/10_RcLIhQn0cahh.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">SI Model Assignment</font><font face="宋体">”按钮,或者</font><font face="Times New Roman">Analyze&gt;SI/EMI Sim&gt;Model</font><font face="宋体">,进入“</font><font face="Times New Roman">Signal Model Assignment</font><font face="宋体">”窗口,这时就可以设置</font><font face="Times New Roman">IC</font><font face="宋体">的</font><font face="Times New Roman">IBIS</font><font face="宋体">模型了。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1064" target="_blank">11.jpg</a> (2007-3-25 12:30 AM, 1.03 M)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/11_M0El1HzZIsMd.jpg" width="716" border="0" pop="点击在新窗口查看全图&lt;br&gt;CTRL+鼠标滚轮放大或缩小" resized="resized" style="CURSOR: hand;"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮,返回“</font><font face="Times New Roman">Database Setup Advisor</font><font face="宋体">”界面。其实在设置模型前,需要设置模型库,包括器件模型和传输线模型库(</font><font face="Times New Roman">Analyze&gt;Libraries</font><font face="宋体">或</font><font face="Times New Roman">Analyze&gt;SI/EMI Sim&gt;Library</font><font face="宋体">)。那里可以将</font><font face="Times New Roman">IBIS</font><font face="宋体">模型和</font><font face="Times New Roman">QUAD</font><font face="宋体">模型</font><font face="Times New Roman">SPECCTRAQuest</font><font face="宋体">所接受的格式</font><font face="Wingdings"><font face="Wingdings">à</font></font><font face="Times New Roman">.dml</font><font face="宋体">。器件模型里面包括器件的引脚列表(包括电源</font><font face="Times New Roman">/</font><font face="宋体">地引脚)、</font><font face="Times New Roman">IOCell</font><font face="宋体">模型、引脚的寄生参数(</font><font face="Times New Roman">RLGC</font><font face="宋体">)、信号引脚参考电源</font><font face="Times New Roman">/</font><font face="宋体">地引脚的信息(用来仿真</font><font face="Times New Roman">SSN</font><font face="宋体">),传输线模型主要包括</font><font face="Times New Roman">R</font><font face="宋体">、</font><font face="Times New Roman">L</font><font face="宋体">、</font><font face="Times New Roman">G</font><font face="宋体">、</font><font face="Times New Roman">C</font><font face="宋体">矩阵参数。模型的验证和修改可以由</font><font face="Times New Roman">Start&gt;Programs&gt;Candence PSD 15.*&gt;Model Integrity</font><font face="宋体">来完成,它主要用来完成以下几个方面的操作:</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">1)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">把</font><font face="Times New Roman">SPICE</font><font face="宋体">模型转换成</font><font face="Times New Roman">IBIS</font><font face="宋体">模型</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">2)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">把</font><font face="Times New Roman">IBIS</font><font face="宋体">模型和</font><font face="Times New Roman">QUAD</font><font face="宋体">模型转换成</font><font face="Times New Roman">SigNoise</font><font face="宋体">(</font><font face="Times New Roman">dml</font><font face="宋体">)模型</font></font></font><br/><font color="#000000"><font face="Times New Roman"><font size="3">3)</font>&nbsp;&nbsp;</font><font face="宋体"><font size="3">编辑</font></font><font face="Times New Roman"><font size="3">IBIS</font></font><font face="宋体"><font size="3">和</font></font><font face="Times New Roman"><font size="3">SigNoise</font></font><font face="宋体"><font size="3">模型</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">4)</font>&nbsp;&nbsp;</font></font><font face="宋体"><font size="3"><font color="#000000">验证模型的正确性</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">5)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">把</font><font face="Times New Roman">Cadence SPICE</font><font face="宋体">(</font><font face="Times New Roman">ESpice</font><font face="宋体">)模型转换成通用的</font><font face="Times New Roman">SPICE/HSpice</font><font face="宋体">模型</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">6)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">把</font><font face="Times New Roman">EBD</font><font face="宋体">模型转换成</font><font face="Times New Roman">SigNoise</font><font face="宋体">(</font><font face="Times New Roman">dml</font><font face="宋体">)模型</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">Next</font><font face="宋体">”按钮,也可以直接</font><font face="Times New Roman">Analyze&gt;SI/EMI Sim&gt;Audit&gt;Net Audit</font><font face="宋体">。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1065" target="_blank">12.jpg</a> (2007-3-25 12:30 AM, 728.58 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/12_LJhaqupL5eMo.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">可以点击“</font><font face="Times New Roman">SI Audit</font><font face="宋体">”按钮对任意</font><font face="Times New Roman">Net</font><font face="宋体">进行提取拓扑结构前最后的检查,如果通过,就可以在</font><font face="Times New Roman">Signal Explorer</font><font face="宋体">中提取正确了的拓扑。</font></font></font><br/><font face="宋体"><font size="3"><font color="#000000">到此,提取拓扑之间的准备工作就介绍完了。</font></font></font><br/><b><font size="3"><font color="#000000"><font face="宋体">基本功能:</font></font></font></b><br/><font size="3"><font color="#000000"><font face="Times New Roman">Display&gt;Ratsnest</font><font face="宋体">:</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1066" target="_blank">13.jpg</a> (2007-3-25 12:30 AM, 461.03 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/13_XRY1lWfNnlDg.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">所谓</font><font face="Times New Roman">Ratsnest</font><font face="宋体">就是指布线之前各元件之间的连接关系。如果是总线,也可以通过</font><font face="Times New Roman">Setup&gt;Preferences</font><font face="宋体">,选择</font><font face="Times New Roman">Single Ratsnest Line for Buses</font><font face="宋体">,则</font><font face="Times New Roman">Ratsnest</font><font face="宋体">会呈现出总线的形式。</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">Display&gt;Color/Visibility</font><font face="宋体">:控制颜色。</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">Display&gt;Element</font></font></font><font size="3"><font color="#000000"><font face="宋体">:显示选中</font><font face="Times New Roman">Element</font><font face="宋体">的信息。</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">Display&gt;Measure</font><font face="宋体">(或直接在命令窗口中输入</font><font face="Times New Roman">Show Measure</font><font face="宋体">):测量用。</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">Display&gt;Parasitics</font><font face="宋体">(或输入</font><font face="Times New Roman">Show Parasitic</font><font face="宋体">):计算两导体之间的电容,不过要注意,如果没有设定一个屏蔽(</font><font face="Times New Roman">shield</font><font face="宋体">)层,电容是计算不出来的。</font></font></font><br/><font color="#000000"><font size="4">Display&gt;Property<font face="宋体">(或输入</font>Show Property<font face="宋体">):打开一个对话框,列出当前设计中的所有特性。(未完待续……)</font></font></font></p><p>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</p><p>转载自:中国高速设计网 <a href="http://www.sipiemc.cn/">www.sipiemc.cn</a>&nbsp;</p>
[此贴子已经被作者于2007-4-2 23:05:00编辑过]

GoldenSea 发表于 2007-4-3 09:32:00

<p>期待...</p>

wms588 发表于 2007-4-9 14:25:00

不错,顶一下!感谢楼主!

19245068 发表于 2007-4-10 13:26:00

<p><font size="3"><strong><font face="宋体">实验</font><font face="Times New Roman">1</font><br/></strong><font face="宋体"><font color="#000000">实验目的:</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">1)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">用</font><font face="Times New Roman">SPECCTRAQuest</font><font face="宋体">打开一个</font><font face="Times New Roman">.brd</font><font face="宋体">文件</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">2)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">用</font><font face="Times New Roman">Database Setup Advisor</font><font face="宋体">做提取拓扑结构之前的准备工作</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">3)</font>&nbsp;&nbsp;</font></font><font face="宋体"><font size="3"><font color="#000000">创建一个新的模型库</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">4)</font>&nbsp;&nbsp;</font></font><font size="3"><font color="#000000"><font face="宋体">把</font><font face="Times New Roman">IBIS</font><font face="宋体">模型转换成</font><font face="Times New Roman">SPECCTRAQuest</font><font face="宋体">认可的格式</font></font></font><br/><font face="Times New Roman"><font color="#000000"><font size="3">5)</font>&nbsp;&nbsp;</font></font><font face="宋体"><font size="3"><font color="#000000">创建离散元件的信号模型</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">本实验完成的是设计流程的第一步</font><font face="Wingdings"><font face="Wingdings">à</font></font><font face="宋体">预布局,在</font><font face="Times New Roman">Database Setup Advisor</font><font face="宋体">之前,网表和摆放的元件,哪怕是只有一个</font><font face="Times New Roman">Net</font><font face="宋体">。让我们一步一步的做吧!</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">Layout</font><font face="宋体">文件是一块电脑主板,</font><font face="Times New Roman">PCB</font><font face="宋体">板总厚度设定为</font><font face="Times New Roman">28.8mils</font><font face="宋体">,线宽设定为</font><font face="Times New Roman">5mils</font><font face="宋体">,阻抗约为</font><font face="Times New Roman">65Ohms</font><font face="宋体">。</font></font></font><br/><font size="3"><font color="#000000"><b><font face="Times New Roman">1</font></b><b><font face="宋体">)打开</font><font face="Times New Roman">.brd</font></b><b><font face="宋体">文件:</font></b></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank" pop="查看积分策略说明">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1067" target="_blank">14.jpg</a> (2007-3-25 12:50 AM, 452.72 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/14_AwzMZOzu0rhZ.jpg" border="0"/><br/><font size="3"><font color="#000000"><b><font face="Times New Roman">2</font></b><b><font face="宋体">)</font><font face="Times New Roman">Tools&gt;Setup Advisor&gt;Next&gt;Edit Cross-section</font></b><b><font face="宋体">:</font></b></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1068" target="_blank">15.jpg</a> (2007-3-25 12:50 AM, 1.34 M)<br/><br/><img alt="点击在新窗口查看全图
CTRL+鼠标滚轮放大或缩小" src="http://www.sipiemc.cn/attachments/15_GkG04nL5fexi.jpg" width="716" border="0" resized="resized"/><br/><font size="3"><font color="#000000"><font face="宋体">层叠结构的设置,需要满足预先设定的电气特性。点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮完成设置。</font></font></font><br/><font size="3"><font color="#000000"><b><font face="Times New Roman">3</font></b><b><font face="宋体">)</font><font face="Times New Roman">Next&gt;Identify DC Nets</font></b><b><font face="宋体">:</font></b></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1069" target="_blank">16.jpg</a> (2007-3-25 12:50 AM, 693.62 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/16_hRtstJedRxzv.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">双击“</font><font face="Times New Roman">NONE</font><font face="宋体">”,输入“</font><font face="Times New Roman">0</font><font face="宋体">”,按“</font><font face="Times New Roman">Tab</font><font face="宋体">”键完成设置,这时“</font><font face="Times New Roman">GND</font><font face="宋体">”的电压就被设置为</font><font face="Times New Roman">0V</font><font face="宋体">。同样的操作把“</font><font face="Times New Roman">P5V</font><font face="宋体">”设为</font><font face="Times New Roman">5V</font><font face="宋体">,“</font><font face="Times New Roman">VTT1</font><font face="宋体">”设为</font><font face="Times New Roman">1.5V</font><font face="宋体">,“</font><font face="Times New Roman">VTT2</font><font face="宋体">”设为</font><font face="Times New Roman">1.5V</font><font face="宋体">,点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮完成设置。</font></font></font><br/><font size="3"><font color="#000000"><b><font face="Times New Roman">4</font></b><b><font face="宋体">)</font><font face="Times New Roman">Next&gt;Device Setup</font></b><b><font face="宋体">:</font></b></font></font><br/><font size="3"><font color="#000000"><font face="宋体">这个窗口可以确定连接器和离散器件的“</font><font face="Times New Roman">CLASS</font><font face="宋体">”和“</font><font face="Times New Roman">PINUSE</font><font face="宋体">”特性。除此之外,可以设置离散器件的默认值大小,而该值在</font><font face="Times New Roman">SPECCTRAQuest</font><font face="宋体">自动创建</font><font face="Times New Roman">ESpice</font><font face="宋体">模型时是所必须的。点击“</font><font face="Times New Roman">Browse</font><font face="宋体">”按钮,从中可以选择需要定义的连接器和离散器件,注意不要选择“</font><font face="Times New Roman">U</font><font face="宋体">”“</font><font face="Times New Roman">Y</font><font face="宋体">”开头的器件,因为这样会把</font><font face="Times New Roman">IC</font><font face="宋体">器件的“</font><font face="Times New Roman">CLASS</font><font face="宋体">”特性设置为“</font><font face="Times New Roman">DISCRETE</font><font face="宋体">”,而把其“</font><font face="Times New Roman">PINUSE</font><font face="宋体">”特性设置为“</font><font face="Times New Roman">UNSPEC</font><font face="宋体">”,这是我们所不期望发生的。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1070" target="_blank">17.jpg</a> (2007-3-25 12:50 AM, 691.63 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/17_EwG5rcFrzERg.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="Times New Roman">Q*</font><font face="宋体">,</font><font face="Times New Roman">F*</font><font face="宋体">,</font><font face="Times New Roman">D*</font><font face="宋体">,</font><font face="Times New Roman">C*</font><font face="宋体">和</font><font face="Times New Roman">L*</font><font face="宋体">分别表示晶体管,保险丝,二极管,电容和电感。点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮完成设置,这时会弹出一个报表“</font><font face="Times New Roman">Device Setup Changes</font><font face="宋体">”,列出“</font><font face="Times New Roman">CLASS</font><font face="宋体">”和“</font><font face="Times New Roman">PINUSE</font><font face="宋体">”特性的改变情况,选择“</font><font face="Times New Roman">Close</font><font face="宋体">”退出。</font></font></font><br/><font size="3"><font color="#000000"><b><font face="Times New Roman">5</font></b><b><font face="宋体">)</font><font face="Times New Roman">Next&gt;SI Model Assignment</font></b><b><font face="宋体">:</font></b></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1071" target="_blank">18.jpg</a> (2007-3-25 12:50 AM, 294.43 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/18_tYtXE0Km5f6i.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">会有个提示框出现,提示</font><font face="Times New Roman">QUIETGND1</font><font face="宋体">和</font><font face="Times New Roman">QUIETGND2</font><font face="宋体">的电压值没有设置,点“是”确认就是,因为我们所需要提取的拓扑结构并不和这两个</font><font face="Times New Roman">Power</font><font face="宋体">或</font><font face="Times New Roman">Ground</font><font face="宋体">有关系。</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">出现“</font><font face="Times New Roman">Signal Model Assignment</font><font face="宋体">”窗口。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1072" target="_blank">19.jpg</a> (2007-3-25 12:50 AM, 936.62 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/19_d8DpMrtTvwjh.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">“</font><font face="Times New Roman">Auto Setup</font><font face="宋体">”按钮的功能就是根据名字在现有模型库中相应地设定“</font><font face="Times New Roman">DevType</font><font face="宋体">”的信号模型,包括两管脚的离散器件。工具创建完信号模型后,如果不指定将自动保存到默认的器件模型库“</font><font face="Times New Roman">devices.dml</font><font face="宋体">”中。下面将介绍怎样设置信号模型库,请不要关闭现有的任何窗口。选</font><font face="Times New Roman">Analyze&gt;SI/EMI Sim&gt;Library</font><font face="宋体">,则“</font><font face="Times New Roman">Signal Analysis Library Browser</font><font face="宋体">”窗口会出现。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1073" target="_blank">20.jpg</a> (2007-3-25 12:50 AM, 1021.59 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/20_AxNEYGKTTVLd.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">图中上面的部分列出器件模型库,下面的部分列出传输线模型(包括耦合传输线模型和过孔模型)。除了调入的</font><font face="Times New Roman">fxdevs.dml</font><font face="宋体">和</font><font face="Times New Roman">fxRPAKS.dml</font><font face="宋体">模型库外,</font><font face="Times New Roman">devices.dml</font><font face="宋体">和</font><font face="Times New Roman">cds_models.ndx</font><font face="宋体">是默认的模型库,其中</font><font face="Times New Roman">devices.dml</font><font face="宋体">是空的工作库,而</font><font face="Times New Roman">cds_models.ndx</font><font face="宋体">是默认信号模型库的索引文件。(未完待续)</font></font></font></p><p><font face="宋体" size="3">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</font></p><p><font face="宋体" size="3">转自:中国高速设计网 <a href="http://www.sipiemc.cn">www.sipiemc.cn</a></font></p>

19245068 发表于 2007-4-10 13:27:00

<p><font size="3"><font face="宋体">点击上面的“</font><font face="Times New Roman">Create New Library</font><font face="宋体">”按钮,输入“</font><font face="Times New Roman">fxlib</font><font face="宋体">”,按“</font><font face="Times New Roman">Save</font><font face="宋体">”按钮。新建立的</font><font face="Times New Roman">fxlib.dml</font><font face="宋体">模型库会以现行的工作库出现在上面的器件模型库窗口中。</font><br/><font color="#000000"></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/></font> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1074" target="_blank">21.jpg</a> (2007-3-25 01:07 AM, 1 M)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/21_oAaJN1Bia9Xi.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="Times New Roman">Apply&gt;OK</font><font face="宋体">完成设置,表明新建的模型会保存在</font><font face="Times New Roman">fxlib.dml</font><font face="宋体">里面。再来看“</font><font face="Times New Roman">Signal Model Assignment</font><font face="宋体">”窗口。点击“</font><font face="Times New Roman">Auto Setup</font><font face="宋体">”按钮,</font><font face="Times New Roman">SPECCTRAQuest</font><font face="宋体">会在列表中以名字为根据匹配器件的模型。这时会弹出“</font><font face="Times New Roman">SigNoise Errors/Warnings</font><font face="宋体">”报表,错误提示电阻不能为</font><font face="Times New Roman">0Ohm</font><font face="宋体">,关掉“</font><font face="Times New Roman">SigNoise Errors/Warnings</font><font face="宋体">”,新的</font><font face="Times New Roman">R</font><font face="宋体">离散模型写入到</font><font face="Times New Roman">fxlib.dml</font><font face="宋体">。有些</font><font face="Times New Roman">IC</font><font face="宋体">器件还没有模型,是因为在</font><font face="Times New Roman">fxdevs.dml</font><font face="宋体">模型库中没有这个模型,我们可以把器件的</font><font face="Times New Roman">IBIS</font><font face="宋体">模型找到后,然后将其转换成</font><font face="Times New Roman">SigNoise</font><font face="宋体">模型。在这个例子中,找不到器件类型“</font><font face="Times New Roman">DBX_0_</font><font face="Times New Roman">6</font><font face="宋体">”</font><font face="宋体">的模型。为了转换其</font><font face="Times New Roman">IBIS</font><font face="宋体">模型,</font><font face="Times New Roman">Analyze&gt;SI/EMI&gt;Library</font><font face="宋体">,选择</font><font face="Times New Roman">Translate&gt;ibis2signoise</font><font face="宋体">,打开</font><font face="Times New Roman">dbx.ibs</font><font face="宋体">文件,默认保存为</font><font face="Times New Roman">dbx.dml</font><font face="宋体">。会弹出一个确认对话框,选“</font><font face="Times New Roman">OK</font><font face="宋体">”就行了。这时“</font><font face="Times New Roman">IBIS_CHK3 V3v3.2.9</font><font face="宋体">”运行,以检查有没有错误,输出一个报表,若没有错误,关掉报表。生成的</font><font face="Times New Roman">dbx.dml</font><font face="宋体">会出现在“</font><font face="Times New Roman">Signal Analysis Library Browser</font><font face="宋体">”窗口器件模型库列表中,但它不会成为工作库,工作库还是</font><font face="Times New Roman">fxlib.dml</font><font face="宋体">。“</font><font face="Times New Roman">Apply</font><font face="宋体">”按钮更新。选择</font><font face="Times New Roman">dbx.dml&gt;Browse Models</font><font face="宋体">:</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1075" target="_blank">22.jpg</a> (2007-3-25 01:07 AM, 738.24 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/22_ufIp6Uz7IE3v.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">选择模型名为“</font><font face="Times New Roman">DBX</font><font face="宋体">”,模型类型为“</font><font face="Times New Roman">IbisDevice</font><font face="宋体">”,会发现“</font><font face="Times New Roman">Signal Model Assignment</font><font face="宋体">”窗口中器件类型“</font><font face="Times New Roman">DBX_0_</font><font face="Times New Roman">6</font><font face="宋体">”</font><font face="宋体">的模型已经被设为“</font><font face="Times New Roman">DBX</font><font face="宋体">”了。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1076" target="_blank">23.jpg</a> (2007-3-25 01:07 AM, 937.97 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/23_ULN91owrUQPf.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="Times New Roman">Close&gt;</font><font face="宋体">关闭“</font><font face="Times New Roman">Model Browser</font><font face="宋体">”窗口,</font><font face="Times New Roman">OK&gt;</font><font face="宋体">关闭“</font><font face="Times New Roman">Signal Analysis Library Browser</font><font face="宋体">”窗口。</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">我们再来创建一个连接器模型,可以使用</font><font face="Times New Roman">IBIS</font><font face="宋体">器件模型。选</font><font face="Times New Roman">USB_CON_0_0&gt;J3&gt;Create Model&gt;Create IbisDevice model</font><font face="宋体">:</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1077" target="_blank">24.jpg</a> (2007-3-25 01:07 AM, 362.3 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/24_4VDcqdk2RFj5.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮:</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1078" target="_blank">25.jpg</a> (2007-3-25 01:07 AM, 743.62 K)<br/><br/><img alt="点击在新窗口查看全图
CTRL+鼠标滚轮放大或缩小" src="http://www.sipiemc.cn/attachments/25_8HXOkeIwF0II.jpg" width="716" border="0" resized="resized"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮完成设置。再点击“</font><font face="Times New Roman">Yes</font><font face="宋体">”,因为该连接器没有</font><font face="Times New Roman">Power/GND</font><font face="宋体">引脚。值得注意的是,连接器模型中没有考虑引脚之间的耦合,另外只有</font><font face="Times New Roman">J3</font><font face="宋体">被赋予了信号模型,此时该模型写入到工作库</font><font face="Times New Roman">fxlib.dml</font><font face="宋体">中。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1079" target="_blank">26.jpg</a> (2007-3-25 01:07 AM, 932.78 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/26_vzrL1zP35on8.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">OK</font><font face="宋体">”按钮,会弹出两个报表,不用管,直接关掉,因为与要提取的</font><font face="Times New Roman">Net</font><font face="宋体">不相关。</font></font></font><br/><font size="3"><font color="#000000"><b><font face="Times New Roman">6</font></b><b><font face="宋体">)</font><font face="Times New Roman">Next&gt;SI Audit</font></b><b><font face="宋体">:</font></b></font></font><br/><font size="3"><font color="#000000"><font face="宋体">在“</font><font face="Times New Roman">Net Filter</font><font face="宋体">”中输入“</font><font face="Times New Roman">HA3</font><font face="宋体">”按</font><font face="Times New Roman">Tab</font><font face="宋体">键。</font></font></font><br/><font size="3"><font color="#000000"></font></font><br/><br/><img class="absmiddle" alt="" src="http://www.sipiemc.cn/images/attachicons/image.gif" border="0"/> <a title="查看积分策略说明" href="http://www.sipiemc.cn/member.php?action=credits&amp;view=getattach" target="_blank">图片附件</a>: <a class="bold" href="http://www.sipiemc.cn/attachment.php?aid=1080" target="_blank">27.jpg</a> (2007-3-25 01:07 AM, 344.39 K)<br/><br/><img alt="" src="http://www.sipiemc.cn/attachments/27_GEuUriBlW5y9.jpg" border="0"/><br/><font size="3"><font color="#000000"><font face="宋体">点击“</font><font face="Times New Roman">Audit selected net</font><font face="宋体">”按钮。会弹出“</font><font face="Times New Roman">SigNoise Setup Report</font><font face="宋体">”报表,其内容如下:</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">******************************************************************************</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000"></font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp;&nbsp;SPECCTRAQuest 14.2</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp;&nbsp;(c) Copyright 2002 Cadence Design Systems, Inc.</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000"></font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp;&nbsp;DesignLink : There is no active DesignLink.</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp;&nbsp;Date&nbsp; &nbsp;&nbsp; &nbsp; : Mar 24 23:28:33 2007</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000"></font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">******************************************************************************</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">INFO &gt;&gt;&nbsp;&nbsp;The victim net(s) checked are : </font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;STARTLB1 HA3</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">******************************************************************************</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">INFO &gt;&gt;&nbsp;&nbsp;Geometry window = 10mil</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">******************************************************************************</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">INFO &gt;&gt;&nbsp;&nbsp;No neighbor nets were found. </font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">******************************************************************************</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">INFO &gt;&gt;&nbsp;&nbsp;List of assigned buffer models: </font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Model Name&nbsp; &nbsp;&nbsp; &nbsp; Net Name&nbsp; &nbsp;&nbsp; &nbsp; Pin Name&nbsp; &nbsp;&nbsp; &nbsp; Component&nbsp; &nbsp;&nbsp; &nbsp; Design</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;----------&nbsp; &nbsp;&nbsp; &nbsp; --------&nbsp; &nbsp;&nbsp; &nbsp; --------&nbsp; &nbsp;&nbsp; &nbsp; ---------&nbsp; &nbsp;&nbsp; &nbsp; ------</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;PMC_D00200B0S2AZZGHE HA3&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;80&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; U27&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; STARTLB1</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;GTL_IO&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; HA3&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;150&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;U15&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; STARTLB1</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">******************************************************************************</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">INFO &gt;&gt;&nbsp;&nbsp;List of components: </font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Component&nbsp; &nbsp;&nbsp; &nbsp; DeviceType&nbsp; &nbsp;&nbsp; &nbsp; Class&nbsp; &nbsp;&nbsp; &nbsp; Design&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;Signal Model</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;---------&nbsp; &nbsp;&nbsp; &nbsp; ----------&nbsp; &nbsp;&nbsp; &nbsp; -----&nbsp; &nbsp;&nbsp; &nbsp; ------&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;------------</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; U27&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; PMC_0_6&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; IC&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; STARTLB1&nbsp; &nbsp;&nbsp; &nbsp;PMC_0_6</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; U15&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; P6_2_1&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;IC&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; STARTLB1&nbsp; &nbsp;&nbsp; &nbsp;P6_2_1</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; RP123&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;RP4R-68&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; DISCRETE&nbsp; &nbsp; STARTLB1&nbsp; &nbsp;&nbsp; &nbsp;RP4R_68_68</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; RP54&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;RP4R-68&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; DISCRETE&nbsp; &nbsp; STARTLB1&nbsp; &nbsp;&nbsp; &nbsp;RP4R_68_68</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">******************************************************************************</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">INFO &gt;&gt; LayerStack Information For &lt;STARTLB1&gt;...</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000"></font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp; Type&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;Material&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Name&nbsp; &nbsp; Dielectric&nbsp;&nbsp;Electrical&nbsp; &nbsp;&nbsp;&nbsp;Thickness&nbsp;&nbsp;Shield</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Constant&nbsp; &nbsp;Conductivity</font></font></font><br/><font size="3"><font color="#000000"><font face="Times New Roman">&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; (mho/cm)&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;(mil)</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">-----------------------------------------------------------------------------------------</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">SURFACE&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;AIR&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;-&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;1.000000&nbsp; &nbsp;0.000000&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;0.000000&nbsp; &nbsp;-</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">CONDUCTOR&nbsp; &nbsp;&nbsp; &nbsp; COPPER&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;TOP&nbsp; &nbsp;&nbsp; &nbsp; -&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 595900.000000&nbsp; &nbsp;1.200000&nbsp; &nbsp;No</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">DIELECTRIC&nbsp; &nbsp;&nbsp; &nbsp;FR-4&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;-&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;4.500000&nbsp; &nbsp;0.000000&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;5.000000&nbsp; &nbsp;-</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">PLANE&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;COPPER&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;INTERNAL1 -&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 595900.000000&nbsp; &nbsp;1.200000&nbsp; &nbsp;Yes</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">DIELECTRIC&nbsp; &nbsp;&nbsp; &nbsp;FR-4&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;-&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;4.500000&nbsp; &nbsp;0.000000&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;14.000000&nbsp;&nbsp;-</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">PLANE&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;COPPER&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;INTERNAL2 -&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 595900.000000&nbsp; &nbsp;1.200000&nbsp; &nbsp;Yes</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">DIELECTRIC&nbsp; &nbsp;&nbsp; &nbsp;FR-4&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;-&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;4.500000&nbsp; &nbsp;0.000000&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;5.000000&nbsp; &nbsp;-</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">CONDUCTOR&nbsp; &nbsp;&nbsp; &nbsp; COPPER&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;BOTTOM&nbsp; &nbsp; -&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 595900.000000&nbsp; &nbsp;1.200000&nbsp; &nbsp;No</font></font></font><br/><font face="Times New Roman"><font size="3"><font color="#000000">SURFACE&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;AIR&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;-&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;1.000000&nbsp; &nbsp;0.000000&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;0.000000&nbsp; &nbsp;-</font></font></font><br/><font size="3"><font color="#000000"><font face="宋体">确认没错误后,关闭报表。关闭“</font><font face="Times New Roman">Net Audit</font><font face="宋体">”窗口。点击“</font><font face="Times New Roman">Finish</font><font face="宋体">”按钮,退出“</font><font face="Times New Roman">Database Setup Advisor&gt;SI Audit window</font><font face="宋体">”窗口。</font></font></font><br/><font color="#000000"><font size="4"><font face="宋体">最后保存一下</font>.brd<font face="宋体">文件,本实验就算完成了</font>^_^(未完待续)</font></font></p><p><font size="4">~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</font></p><p><font size="4">转自:中国高速设计网 <a href="http://www.sipiemc.cn">www.sipiemc.cn</a></font></p>

19245068 发表于 2007-4-10 13:32:00

<p>附上实验1的.brd文件,和大家一起学习交流!</p><br/>

feng0305010303 发表于 2012-6-8 16:45:53

非常有价值顶起!!!!!!
支持你解决好多问题   谢谢你了

简单琳琳 发表于 2012-6-15 14:45:58

资料好全啊 。。。。。。。。。。。。
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查看完整版本: [转载]Specctraquest 15.0 基础教程学习