Analysis of repeatability in conducted emission measurements

International Civilian EMI/EMC standards define set-up to unify criteria. But it is difficult for one standard to cover every possibility that is applicable to different types of equipments. Inconsistencies are most often encountered and the repeatability problems are investigated, and reported for...

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Main Authors: Kumar, L.S., Yegneswari, R., Subbarao, B., Sivaramakrishnan, R.
Format: Conference Proceeding
Language:English
Subjects:
Electromagnetic compatibility
Electromagnetic interference
Electromagnetic measurements
Impedance
Information technology
Laboratories
Measurement standards
Portable computers
Switched-mode power supply
Testing
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Yegneswari, R.
Subbarao, B.
Sivaramakrishnan, R.
description International Civilian EMI/EMC standards define set-up to unify criteria. But it is difficult for one standard to cover every possibility that is applicable to different types of equipments. Inconsistencies are most often encountered and the repeatability problems are investigated, and reported for conducted emission measurement. SAMEER, as a EMC test laboratory has taken up such analysis to study the repeatability problems in conducted emission measurement. Laptop computer, a widely used SMPS based noisy source, was chosen as an Equipment Under Test (EUT). Various configurations of EUT were investigated and presented the results in this paper. Including these details in the test report can minimize the repeatability problems.
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Electromagnetic compatibility
Electromagnetic interference
Electromagnetic measurements
Impedance
Information technology
Laboratories
Measurement standards
Portable computers
Switched-mode power supply
Testing
title Analysis of repeatability in conducted emission measurements
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