CM/DM EMI噪声分离器特性分析及实际应用

S. Schroth, F. Krismer, J. Kolar, H. Ertl
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引用次数: 8

摘要

本文详细介绍了与实际CM/DM EMI测量相关的两种不同的贡献。第一部分研究了CM/DM分离器在实际测量环境中产生的测量误差的来源和含义,特别关注最近提出的CM/DM分离器的输入阻抗标准。此外,还实现了一种有源CM/DM分离器,该分离器具有具有竞争力的分离能力(DMTR/CMRR > 51 dB, CMTR/DMRR > 47 dB,频率高达10MHz)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis and practical relevance of CM/DM EMI noise separator characteristics
This Paper details two different contributions related to practical CM/DM EMI measurements. A first part investigates sources and implications of measurement errors that result for CM/DM separators in a practical measurement environment with a particular focus on the recently presented input impedance criterion for CM/DM separators. Furthermore, the realization of an active CM/DM separator, which features competitive separation capabilities (DMTR/CMRR > 51 dB and CMTR/DMRR > 47 dB for frequencies up to 10MHz), is presented.
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