Conducted EMI analysis. A case study

Author

Dhar, V.K.

Author_Institution

Electron. Regional Test Lab., Gov. of India, Mumbai, India

fYear

1999

fDate

6-8 Dec. 1999

Firstpage

181

Lastpage

186

Abstract

Commercial international regulations/standards call for specific impulsive bandwidths to measure types of emission in the frequency range of interest. Such bandwidths are specified in International Special Committee on Radio Interference (CISPR) specification no. 16-1. When emissions exceed average regulatory limits, but remain below quasi-peak limits, average analysis is carried out. Averaging of EMI in a spectrum analyser (SA) is accomplished with a video filter. Selection of improper bandwidth of the video filter results in numerous errors. Subject analysis is required to be carried out in the linear amplitude mode of a SA. However if the logarithmic amplitude mode is selected, it may affect average analysis. The present paper intends to find the parameters which can influence conducted EMI average analysis.

Keywords

electric noise measurement; electromagnetic interference; measurement standards; spectral analysers; spectral analysis; telecommunication standards; CISPR specification no. 16-1; EM emission measurements; case study; conducted EMI average analysis; impulsive bandwidths; international standards; linear amplitude mode; logarithmic amplitude mode; spectrum analyser; video filter; Circuits; Computer aided software engineering; Electromagnetic interference; Electronic equipment testing; Envelope detectors; Filters; RF signals; Radio frequency; Signal analysis; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Interference and Compatibility '99. Proceedings of the International Conference on

Print_ISBN

81-900652-0-3

Type

conf

DOI

10.1109/ICEMIC.1999.871623

Filename

871623