未指定的LISN参数可能导致排放物看起来大于10db高

IEEE 1991 International Symposium on Electromagnetic Compatibility Pub Date : 1991-08-12 DOI:10.1109/ISEMC.1991.148279

K. Hall

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引用次数: 7

摘要

本文总结了使用多家厂商的FCC/VDE lisn对两种不同产品进行测试的实验结果。最初的问题是排放测量不一致，这是在一个UUT上发现的;而另一个UUT上的排放测量结果是一致的。与满足阻抗规格且具有低内部接地阻抗的LISN VC或VD相比，修改LISN VA Hash 2的接地允许更多可重复性测量。

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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Unspecified LISN parameters can cause emissions to appear greater than 10 dB high

Experimental findings of the testing of two different products using FCC/VDE LISNs from several manufacturers are summarized. The initial problem, inconsistent measurement of emissions, was noted on one UUT; while measurement of emissions on another UUT were consistent. Modifying the grounding of LISN VA Hash 2 allowed more reproducible measurements compared to LISNs VC or VD which meet the impedance specifications and had a low internal ground impedance.<>

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IEEE 1991 International Symposium on Electromagnetic Compatibility

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