共模扼流圈的共模和差模分析

Zhe Li, D. Pommerenke, Y. Shimoshio
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引用次数: 23

摘要

本文介绍了三种测量共模扼流圈共模和差模s参数的方法。所涉及的三种方法:(1)ABCD链矩阵;(2)采用混合式耦合器;(3)模态分解。每种测量方法都提供了特定的精度水平。模态分解方法的工作频率可达10 GHz。给定一个共模扼流圈的完整特征,可以合成一个被动等效电路模型,提供对物理性能的基本理解。给出了共模扼流圈的SPICE等效电路模型及模型参数的提取。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Common-mode and differential-mode analysis of common-mode chokes
In this paper, three methods for the measuring common-mode and differential-mode S-parameters of common mode chokes are presented. The three methods involved: (1) ABCD chain matrix; (2) using hybrid couplers; and (3) modal decomposition. Each measurement method provides a specific level of accuracy. The modal decomposition method can work up to 10 GHz. Given a full characterization of a common mode choke, a passive equivalent circuit model can be synthesized that provides a fundamental understanding of the physical performance. SPICE equivalent circuit model of common mode chokes and the extraction of model parameters are provided.
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