一种评估印刷电路板辐射敏感性的方法

2016 IEEE 25th Conference on Electrical Performance Of Electronic Packaging And Systems (EPEPS) Pub Date : 2016-10-01 DOI:10.1109/EPEPS.2016.7835431

G. Zhu, W. Thiel, J. Eric Bracken

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引用次数: 0

摘要

印刷电路板(Printed circuit board, PCB)容易受到外部电磁干扰。有效预测最坏情况感应电压和电流的验证工具在使PCB设计通过电磁兼容抗扰度测试的过程中是非常宝贵的。本文提出用2.5维混合有限元法求解辐射远场，用互向法计算入射平面波引起的感应端口电压和电流。该方法可用于分析任何全尺寸PCB。在低频情况下，得到的结果与三维全波有限元分析的结果很好地吻合，在这种情况下，PCB中的场适用2.5维假设。此外，大大减少了计算时间和内存消耗。

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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A method to assess the radiated susceptibility of printed circuit boards

Printed circuit boards (PCB) are subject to external electromagnetic interference. A validation tool to efficiently predict the worst-case induced voltages and currents is invaluable in the process of making PCB designs pass the immunity test for electromagnetic compliance. This paper proposes to use a 2.5-D hybrid finite-element-method (FEM) solver to characterize the radiated far field and use the reciprocity-based method to calculate the induced port voltages and currents due to an incident plane wave. This method can be used to analyze any full-size PCB. Good agreement with the results from a 3-D full-wave FEM is obtained at low frequencies, where the 2.5-D assumption for the fields in the PCB applies. Furthermore, the calculation time and memory consumption are significantly reduced.

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来源期刊

2016 IEEE 25th Conference on Electrical Performance Of Electronic Packaging And Systems (EPEPS)

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