模拟印刷电路板的电磁辐射

1990 IEEE International Conference on Computer-Aided Design. Digest of Technical Papers Pub Date : 1990-11-11 DOI:10.1109/ICCAD.1990.129934

H. Heeb, A. Ruehli, J. Janak, S. Daijavad

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引用次数: 10

摘要

介绍了一种计算印刷电路板电磁辐射干扰的实用方法。该方法适用于大型问题，可以对实际电路板进行研究。每个走线及其源和负载都表示为电路，并使用传统的时域电路仿真来查找电流。然后通过将自由空间格林函数应用于包括极化电流在内的所有电流来计算场。据作者所知，这是第一个可以从基本原理预测电磁干扰的CAD工具。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Simulating electromagnetic radiation of printed circuit boards

A realistic approach is introduced for the computation of the electromagnetic radiation interference (EMI) from printed circuit boards. The approach is suitable for large problems and real circuit boards can be investigated. Each trace and its source and loads are represented as electrical circuits and a conventional time-domain circuit simulation is used to find the currents. The field is then calculated by applying the free-space Green's function to all currents including the polarization currents. This is, to the authors' knowledge, the first CAD tool which can predict EMI from basic principles.<>

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来源期刊

1990 IEEE International Conference on Computer-Aided Design. Digest of Technical Papers

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