Distributed effects of a gap in power/ground planes

IEEE 8th Topical Meeting on Electrical Performance of Electronic Packaging (Cat. No.99TH8412) Pub Date : 1999-10-25 DOI:10.1109/EPEP.1999.819227

D. Duan, B. Rubin, J. Magerlein

引用次数: 14

Abstract

A signal line running between two PCB power/ground planes, with one of the planes having a gap (split), was analyzed using full-wave electromagnetic tools. The gap inductance and the mutual coupling caused by the gap were examined, and distributed effects were observed. As a conclusion, a gap should always be AC-shorted, preferably in the immediate vicinity of critical signal lines.

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电源/地平面间隙的分布效应

在两个PCB电源/地平面之间运行的信号线，其中一个平面有间隙(分裂)，使用全波电磁工具进行分析。研究了间隙感和由间隙引起的相互耦合，并观察了分布效应。总而言之，缺口应该始终是交流短路的，最好是在关键信号线的附近。

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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IEEE 8th Topical Meeting on Electrical Performance of Electronic Packaging (Cat. No.99TH8412)

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