基于物理设计的电源完整性与电压纹波谱分解

2016 IEEE International Symposium on Electromagnetic Compatibility (EMC) Pub Date : 2016-07-25 DOI:10.1109/ISEMC.2016.7571666

Chenxi Huang, Biyao Zhao, K. Shringarpure, S. Bai, X. Fang, T. Makharashvili, Hanqin Ye, Y. S. Cao, M. Cracraft, M. Cocchini, S. Connor, Q. Gaumer, S. Scearce, B. Archambeault, B. Achkir, E. Li, Lijun Jiang, A. Ruehli, J. Fan, J. Drewniak

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引用次数: 4

摘要

基于空腔模型的等效电路模型，提出了一种分解由IC开关电流引起的PCB PDN电压纹波的方法。分别在频域和时域进行了分解。通过这种分解方法，揭示了电压纹波与几何形状之间的一对一对应关系。本文还讨论了降低PCB PDN电压纹波的指导方针，并通过仿真和分析计算进行了验证。

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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Power integrity with voltage ripple spectrum decomposition for physics-based design

A decomposition method for the PCB PDN voltage ripple caused by the IC switching current is developed based on an equivalent circuit model from a cavity model. The decomposition is presented both in frequency domain and time domain. Along with this decomposition approach, a one-to-one correspondence between the voltage ripple and the geometry is revealed. Guidelines to decrease the PCB PDN voltage ripple is also discussed and corroborated by both simulation and analytical calculation.

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来源期刊

2016 IEEE International Symposium on Electromagnetic Compatibility (EMC)

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