IEC_CISPR_TR_16-4-3-2007.pdf

TECHNICAL REPORT CISPR16-4-3 Edition 2.12007-01 Specification for radio disturbance and immunity measuring apparatus and methods Part 4-3:Uncertainties,statistics and limit modelling Statistical considerations in the determination of EMC compliance of mass-produced products Reference number CISPR 16-4-3/TR:2004+A1:2006(E)INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE Edition 2:2004 consolidated with amendment 1:2006 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC web site(http:/www.iec.ch/searchpub/cur_fut.htm)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(http:/www.iec.ch/online_news/justpub/jp_entry.htm)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TECHNICAL REPORT CISPR16-4-3 Edition 2.12007-01 Specification for radio disturbance and immunity measuring apparatus and methods Part 4-3:Uncertainties,statistics and limit modelling Statistical considerations in the determination of EMC compliance of mass-produced products IEC 2007 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch CH For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE Edition 2:2004 consolidated with amendment 1:2006 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 TR CISPR 16-4-3 IEC:2004+A1:2006(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms,definitions and symbols.6 4 General requirements.6 4.1 Limits.6 4.2 Type testing approaches.6 5 Emission measurements.6 5.1 Test based on the non-central t-distribution.6 5.2 Test based on the binomial distribution.9 5.3 Test based on an additional acceptance limit.9 5.4 Additional sampling in case of non-compliance.10 5.5 Properties of the different methods that can be used.11 5.6 Compliance criteria and measurement instrumentation uncertainty.12 6 Immunity tests.12 6.1 Application of the CISPR 80%/80%rule to immunity tests.12 6.2 Application guidelines.12 Annex A(informative)Statistical considerations in the determination of limits of radio interference.14 Annex B(informative)An analytical assessment of statistical parameters of radio disturbance in the case of an incompletely defined sample.22 Annex C(informative)Test based on an additional acceptance limit.27 Annex D(informative)Estimation of the acceptance probability of a sample.31 Bibliography.36 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TR CISPR 16-4-3 IEC:2004 3 +A1:2006(E)INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SPECIFICATION FOR RADIO DISTURBANCE AND IMMUNITY MEASURING APPARATUS AND METHODS Part 4-3:Uncertainties,statistics and limit modelling Statistical considerations in the determination of EMC complian