NDLI: EMC Absorbers through the Years with Respect to the New Site VSWR Validation Procedure in the Frequency Range from 1 to 18 GHz

Content Provider	IEEE Xplore Digital Library
Author	Trautnitz, F.-W.
Copyright Year	2007
Description	Author affiliation: Albatross Projects GmbH, Nattheim (Trautnitz, F.-W.)
Abstract	The article describes the development of EMC absorbers and EMC chambers until today. The first anechoic chamber in Europe was built mid of the sixties. Due to the fact that absorber chambers were not necessary in the early sixties - EMC measurements easily were possible on open area test sites (OATS) - this project was for long years the only EMC chamber in Europe. The market for EMC chambers increased with increasing radio services because of ambient. Mid of the eighties the market for EMC chambers again awoke. The technical requirement for EMC chambers was, to fulfil the VDE 0871. At the end of the eighties VDE founded a special committee discussing the requirements of alternate test sites. The volume method for validating test sites first was integrated in ANSI C 63.4 - 1988. In Cenelec - the European committee - also a working group was founded for establishing a EN standard for alternate test sites. The result was the EN 50147-1 (shielding) and -2 (NSA site validation). The volume method was integrated in CISPR 16 mid of the nineties. Meanwhile the volume method for NSA measurement of alternate test sites is well established. The technical development of EMC absorbers will be described discussing pyramidal foam absorbers, hollow pyramidal foam absorbers and hybrid absorbers - a combination of several absorbers (ferrite and foam absorber). New inventions like pyramidal foil absorbers also will be discussed. The new site validation (site VSWR) procedure from 1 to 18 GHz is shown.
Starting Page	1
Ending Page	6
File Size	643073
Page Count	6
File Format	PDF
ISBN	1424413494
DOI	10.1109/ISEMC.2007.92
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electromagnetic compatibility Frequency Testing Anechoic chambers Europe Ferrites Laboratories Open area test sites Shafts Standards development
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Anechoic chamber for use in frequency range from MHz to GHz constructed with absorbers featuring a new design concept

Optimum alternative to EMC open area test site

Status of standards for alternative test sites

Design of modern EMC chambers for radiated EMC testing up to 18 GHz

The impact of recent changes to CISPR standards on EMC anechoic chambers

EMC chambers for radiated EMC testing up to 18 GHz

Validating anechoic chambers above 1 GHz using a reciprocal site VSWR technique

Upgrade of foam equipped semi anechoic chambers to fully anechoic chambers by the use of ferrite tiles

Semi anechoic chamber homogeneity according to IEC 1000-4-3

EMC Absorbers through the Years with Respect to the New Site VSWR Validation Procedure in the Frequency Range from 1 to 18 GHz - a Practical Approach

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