CISPR 22-2008 Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement《信息技术设备 无线电干扰特性 限值和测量方法》.pdf
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1、 CISPR 22Edition 6.0 2008-09INTERNATIONAL STANDARD NORME INTERNATIONALEInformation technology equipment Radio disturbance characteristics Limits and methods of measurement Appareils de traitement de linformation Caractristiques des perturbations radiolectriques Limites et mthodes de mesure CISPR22:2
2、008 INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE COMIT INTERNATIONAL SPCIAL DES PERTURBATIONS RADIOLECTRIQUES THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or uti
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15、s et lectriques. Il contient plus de 20 000 termes et dfinitions en anglais et en franais, ainsi que les termes quivalents dans les langues additionnelles. Egalement appel Vocabulaire Electrotechnique International en ligne. Service Clients: www.iec.ch/webstore/custserv/custserv_entry-f.htm Si vous
16、dsirez nous donner des commentaires sur cette publication ou si vous avez des questions, visitez le FAQ du Service clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 CISPR 22Edition 6.0 2008-09INTERNATIONAL STANDARD NORME INTERNATIONALEInformation technology equi
17、pment Radio disturbance characteristics Limits and methods of measurement Appareils de traitement de linformation Caractristiques des perturbations radiolectriques Limites et mthodes de mesure INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XCICS 33.100.10 PRICE
18、CODECODE PRIXISBN 2-8318-9960-5INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE COMIT INTERNATIONAL SPCIAL DES PERTURBATIONS RADIOLECTRIQUES Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 2 CISPR 22 IEC:2008 CO
19、NTENTS FOREWORD.5 INTRODUCTION.7 1 Scope and object8 2 Normative references8 3 Definitions 9 4 Classification of ITE10 4.1 Class B ITE .11 4.2 Class A ITE .11 5 Limits for conducted disturbance at mains terminals and telecommunication ports11 5.1 Limits of mains terminal disturbance voltage 11 5.2 L
20、imits of conducted common mode (asymmetric mode) disturbance at telecommunication ports 12 6 Limits for radiated disturbance 13 6.1 Limits below 1 GHz13 6.2 Limits above 1 GHz .13 7 Interpretation of CISPR radio disturbance limit 14 7.1 Significance of a CISPR limit .14 7.2 Application of limits in
21、tests for conformity of equipment in series production14 8 General measurement conditions15 8.1 Ambient noise15 8.2 General arrangement.15 8.3 EUT arrangement 18 8.4 Operation of the EUT.20 9 Method of measurement of conducted disturbance at mains terminals and telecommunication ports .21 9.1 Measur
22、ement detectors .21 9.2 Measuring receivers 21 9.3 Artificial mains network (AMN) .21 9.4 Ground reference plane .22 9.5 EUT arrangement 22 9.6 Measurement of disturbances at telecommunication ports24 9.7 Recording of measurements 28 10 Method of measurement of radiated disturbance .28 10.1 Measurem
23、ent detectors .28 10.2 Measuring receiver below 1 GHz28 10.3 Antenna below 1 GHz 28 10.4 Measurement site below 1 GHz29 10.5 EUT arrangement below 1 GHz30 10.6 Radiated emission measurements above 1 GHz.30 10.7 Recording of measurements 30 10.8 Measurement in the presence of high ambient signals31 1
24、0.9 User installation testing31 11 Measurement uncertainty31 Annex A (normative) Site attenuation measurements of alternative test sites 42 Annex B (normative) Decision tree for peak detector measurements.48 CISPR 22 IEC:2008 3 Annex C (normative) Possible test set-ups for common mode measurements .
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