EMC Test Site Qualifications

Everyone in the EMC business is familiar wtih the traditional Normalized Site Attenuation test (NSA). However, in February of 2007 CISPR 16-1-4 was published complete with the new Site Voltage Standing Wave Ratio (SVSWR) test. At the time, the American National Standards Institute (ANSI) Accredited Standards Committee (ASC) C63^® had developed a draft proposal fro C63.4 (Draft 1 - May 20, 2005) called the Time Domain Reflectivity (TDR) measurement. The critical question addressed by this article is which method - SVSWR or TDR - more accurately provides an assessment of the test site.

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Title		EMC Test Site Qualifications
Author		Zhong Chen
Publication		IN Compliance
Date		January 2010