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Advanced PCB Rule Checking for Signal Integrity and EMC

 

作为电磁场仿真软件领先企业,日前宣布将继续积极参与IME,并荣幸地成为IME2017北京会(4月11-13日,北京国际会议中心)金牌赞助商,出席同期举办的 【EDA电磁仿真论坛】,举办“Advanced PCB Rule Checking for Signal Integrity and EMC”技术会议。

 

 CST 于4月出展IME2017微波及天线技术会
期待您的莅临体验

展示日程       2017年4月11-13日
  展示会场       北京国际会议中心
  展位号       155
  演讲主题       针对印制板信号完整性和电磁兼容的高级规则检查
Advanced PCB Rule Checking for Signal Integrity and EMC
  演讲嘉宾       Chun-Tong Chiang
           
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会议概要

印制板(PCB)的信号完整性和电磁兼容特性主要取决于器件,信号线以及供电网络的排布。如今,手动检测高速电路板的每层布局将会花费大量的时间并且会导致人为的错误。在如今高速的产品设计流程中,规则检查软件已经被证实可以对工程师提供有价值的帮助。规则检查软件根据一组规则,对印制板的结构和布局进行严格的分析。从而避免了繁琐的手动检查以及人为的错误。所有违反设计规则的部分,都会最终在软件中被标亮并可视化。

在本次研讨会中,借助于一块实际的印制板,我们将详细介绍CST规则检查(CST BOARDCHECK)的使用。不同电子产品的应用领域有着不同的信号。即将发布的新功能将会允许用户根据各自的信号特性,定义自己的检查规则。这将极大的简化检查的流程,并且使其更为自动化。我们将展示对于特定的某种印制板布局,一种信号或许是可以接受的,而另一种信号则会引起电磁兼容问题。CST规则检查紧密的集成在CST工作室套装之中,借此我们将对印制板违反规则的部分,进行进一步的3D全波段的分析。借助于CST微波工作室强大的,对3D分析结果的可视化能力,我们将解释违反规则的原因,并讨论对其缓解的方法。

The performance of a printed circuit board (PCB) for signal integrity (SI) and electromagnetic compatibility (EMC) is mostly based on the placement of components and the routing of signal nets and their power/ground planes. Manual checking of all the various layers of today’s high speed circuit boards is too time consuming and prone to human error. Rule checking software has proven to be a valuable aid for engineers in today’s fast paced design process. It relieves the tedium and removes the human error by rigorously analyzing the geometry of the PCB against a set of rules. All detected rule violations can typically be visually highlighted within such a tool.In this workshop, we will explore the usage of CST BOARDCHECK; on a realistic PCB. Upcoming functionality in CST BOARDCHECK will vastly simplify and automate the rule checking workflow by allowing users to define checks based on signal specifications for different types of electronic applications. We will show that for a particular trace layout, a certain signal type may be acceptable whereas another one can cause EMC issues. With the tight integration of CST BOARDCHECK into the CST STUDIO SUITE® we will further analyze the detected violations using 3D full wave simulations. The powerful visualization capabilities of the 3D analysis in CST MICROWAVE STUDIO® will be used to explain the cause of the violations and also allow us to discuss mitigation strategies.

 

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