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1、 COMMISSION LECTROTECHNIQUE INTERNATIONALE CISPR 20 INTERNATIONAL ELECTROTECHNICAL COMMISSION Sixime dition Sixth edition 2006-11 Rcepteurs de radiodiffusion et de tlvision et quipements associs Caractristiques dimmunit Limites et mthodes de mesure Sound and television broadcast receivers and associ
2、ated equipment Immunity characteristics Limits and methods of measurement Numro de rfrence Reference number CISPR 20:2006 COMIT INTERNATIONAL SPCIAL DES PERTURBATIONS RADIOLECTRIQUES INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE Editions consolides Les versions consolides de certaines public
3、ations de la CEI incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respectivement la publication de base, la publication de base incorporant lamendement 1, et la publication de base incorporant les amendements 1 et 2 Informations supplmentaires s
4、ur les publications de la CEI Le contenu technique des publications de la CEI est constamment revu par la CEI afin quil reflte ltat actuel de la technique. Des renseignements relatifs cette publication, y compris sa validit, sont dispo- nibles dans le Catalogue des publications de la CEI (voir ci-de
5、ssous) en plus des nouvelles ditions, amendements et corrigenda. Des informations sur les sujets ltude et lavancement des travaux entrepris par le comit dtudes qui a labor cette publication, ainsi que la liste des publications parues, sont galement disponibles par lintermdiaire de: Site web de la CE
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12、gue of IEC publications The on-line catalogue on the IEC web site (www.iec.ch/searchpub) 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 On- line information is also available on recently issued publications, withdrawn and replace
13、d publications, as well as corrigenda. IEC Just Published This summary of recently issued publications (www.iec.ch/online_news/justpub) is also available by email. Please contact the Customer Service Centre (see below) for further information. Customer Service Centre If you have any questions regard
14、ing 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 . -,-,- COMMISSION LECTROTECHNIQUE INTERNATIONALE CISPR 20 INTERNATIONAL ELECTROTECHNICAL COMMISSION Sixime dition Sixth edition 2006-11 Rcep
15、teurs de radiodiffusion et de tlvision et quipements associs Caractristiques dimmunit Limites et mthodes de mesure Sound and television broadcast receivers and associated equipment Immunity characteristics Limits and methods of measurement Pour prix, voir catalogue en vigueur For price, see current
16、catalogue IEC 2006 Droits de reproduction rservs Copyright - all rights reserved Aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie et les microfilms, sans laccord crit de lditeur. N
17、o 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, Switzerl
18、and Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmailiec.ch Web: www.iec.ch XC Commission Electrotechnique Internationale International Electrotechnical Commission CODE PRIX PRICE CODE COMIT INTERNATIONAL SPCIAL DES PERTURBATIONS RADIOLECTRIQUES INTERNATIONAL SPECIAL COMMITTEE ON
19、RADIO INTERFERENCE -,-,- 2 CISPR 20 CEI:2006 SOMMAIRE AVANT-PROPOS10 1 Domaine dapplication et objet14 2 Rfrences normatives.16 3 Termes, dfinitions et abrviations .16 3.1 Termes et dfinitions.16 3.2 Abrviations 22 4 Exigences dimmunit.22 4.1 Critres daptitude.22 4.2 Applicabilit.26 4.3 Exigences di
20、mmunit pour le connecteur dentre antenne.26 4.4 Exigences dimmunit pour les connecteurs audio.42 4.5 Exigences dimmunit pour les connecteurs dalimentation en courant alternatif44 4.6 Exigences dimmunit aux tensions RF44 4.7 Exigences dimmunit pour laccs par lenveloppe .48 5 Mesures de limmunit56 5.1
21、 Conditions gnrales pendant les essais.56 5.2 valuation daptitude.58 5.3 Mesure de limmunit interne.62 5.4 Mesure de limmunit aux tensions RF (mode commun) aux bornes dentre dantenne 64 5.5 Mesure de lefficacit du blindage .68 5.6 Mesure des transitoires lectriques .70 5.7 Mesure de limmunit aux ten
22、sions induites.70 5.8 Mesure de limmunit aux champs rayonns76 5.9 Mesures des dcharges lectrostatiques.82 6 Interprtation des limites de limmunit spcifies par le CISPR.82 6.1 Signification dune limite spcifie par le CISPR82 6.2 Conformit aux limites sur base statistique82 Annexe A (normative) Spcifi
23、cation du tlviseur de contrle 102 Annexe B (normative) Spcification des filtres et du rseau de pondration.104 Annexe C (normative) Spcification des dispositifs de couplage et du filtre passe-bas108 Annexe D (normative) Rseaux dadaptation et filtre darrt dalimentation 122 Annexe E (normative) Dtails
24、de construction de la cellule ouverte et du filtre darrt dalimentation et du haut-parleur.126 Annexe F (normative) talonnage de la ligne ouverte bandes.138 Annexe G (normative) Dimensions des noyaux de ferrite et matriels 144 Annexe H (informative) Bandes de frquences 146 Annexe I (normative) Rcepte
25、urs de radiodiffusion pour signaux numriques .148 Annexe J (informative) Spcification du signal utile .156 Annexe K (informative) valuation objective de la qualit dimage 166 Bibliographie.174 CISPR 20 IEC:2006 3 CONTENTS FOREWORD.11 1 Scope and object15 2 Normative references .17 3 Terms, definition
26、s and abbreviations 17 3.1 Terms and definitions17 3.2 Abbreviations 23 4 Immunity requirements .23 4.1 Performance criteria23 4.2 Applicability.27 4.3 Immunity requirements for the antenna input connector.27 4.4 Immunity requirements for audio connectors .43 4.5 Immunity requirements for AC mains p
27、ower connectors.45 4.6 Requirements for immunity to RF voltages 45 4.7 Immunity requirements for the enclosure port49 5 Immunity measurements.57 5.1 General conditions during testing 57 5.2 Performance assessment 59 5.3 Measurement of input immunity.63 5.4 Measurement of immunity to RF voltage (comm
28、on mode) at antenna terminal.65 5.5 Measurement of screening effectiveness.69 5.6 Measurement of electrical transients .71 5.7 Measurement of immunity to induced voltages 71 5.8 Measurement of immunity from radiated fields.77 5.9 Measurement of electrostatic discharge.83 6 Interpretation of CISPR im
29、munity limits 83 6.1 Significance of a CISPR limit.83 6.2 Compliance with limits on a statistical basis 83 Annex A (normative) Specification of the test-TV-set .103 Annex B (normative) Specification of filters and weighting network 105 Annex C (normative) Specification of coupling units and of low-p
30、ass filter 109 Annex D (normative) Matching networks and mains stop filter.123 Annex E (normative) Construction information for the open stripline and for the mains and loudspeaker band-stop filter.127 Annex F (normative) Calibration of the open stripline.139 Annex G (normative) Ferrite core sizes a
31、nd materials145 Annex H (informative) Frequency bands 147 Annex I (normative) Broadcast receivers for digital signals .149 Annex J (informative) Specification of the wanted signal.157 Annex K (informative) Objective evaluation of picture quality 167 Bibliography175 4 CISPR 20 CEI:2006 Figure 1 Exemp
32、les daccs 22 Figure 2 Mesure de la puissance de sortie audio .84 Figure 3 Dispositif de mesure de limmunit lentre des rcepteurs de radiodiffusion sonore 84 Figure 4 Dispositif de mesure de limmunit lentre des rcepteurs de tlvision et des magntoscopes86 Figure 5 Principe gnral de la mthode dinjection
33、 de courant88 Figure 6 Principe de mesure pour limmunit aux courants conduits.90 Figure 7 Dispositif de mesure pour lefficacit du blindage.92 Figure 8 Mesure de limmunit aux tensions induites lentre alimentation aux sorties casque, haut-parleur et audio, lentre audio 94 Figure 9 Exemple de dispositi
34、on dune cellule TEM ouverte utilisant des panneaux absorbants lintrieur dune chambre blinde de 3 m 3,5 m .96 Figure 10 Mesure de limmunit aux champs rayonns pour les rcepteurs de radiodiffusion dans la bande de frquences de 0,15 MHz 150 MHz en utilisant une cellule ouverte 98 Figure 11 Mesure de lim
35、munit aux champs lectromagntiques RF, porteuse module en impulsion, en utilisant un tlphone portatif GSM fictif .100 Figure B.1 Filtre passe-bande de 0,5 kHz 3 kHz104 Figure C.1 Dispositif de couplage de type AC (pour entre coaxiale dantenne) .114 Figure C.2 Unit de couplage de type MC (pour cble da
36、limentation)116 Figure C.3 Dispositif de couplage de type LC (pour connexions de haut-parleur) .118 Figure C.4 Dispositif de couplage de type Sr avec ses rsistances de charge118 Figure C.5 Dispositif de mesure pour la vrification de la perte dinsertion des dispositifs de couplage dans la bande de fr
37、quences de 30 MHz 150 MHz 120 Figure D.1 Rseau RC pour entres audio (RCi ).122 Figure D.2 Rseau RC pour sorties audio (RCo) 122 Figure D.3 Filtre rseau dalimentation (MSF) 124 Figure E.1 Cellule TEM ouverte, configuration de principe avec rseau dadaptation et impdance de bouclage 126 Figure E.2 Vue
38、densemble dune cellule TEM ouverte.128 Figure E.3 Dtails de construction dune cellule TEM ouverte 130 Figure E.4 Dtails supplmentaires de construction de la cellule TEM ouverte.132 Figure E.5 Rseau dadaptation MN.132 Figure E.6 Impdance de bouclage TI132 Figure E.7 Circuit du filtre darrt de type MB
39、S (pour les connexions dalimentation)134 Figure E.8 Filtre darrt de type LBS (pour connexion au haut-parleur) 136 Figure F.1 Disposition de montage pour ltalonnage du dispositif de mesure 140 Figure F.2 Exemple de dispositif supplmentaire pour le contrle d e la courbe dtalonnage.142 Figure F.3 Courb
40、e dtalonnage.142 Figure K.1 Montage de mesure pour valuation objective de limage pour un EUT quip dun afficheur 172 Figure K.2 Montage de mesure pour valuation objective de limage pour un EUT sans afficheur .172 -,-,- CISPR 20 IEC:2006 5 Figure 1 Examples of ports 23 Figure 2 Audio power output meas
41、urement 85 Figure 3 Measuring set-up for input immunity measurement of sound broadcast receivers.85 Figure 4 Measuring set-up for input immunity measurement of television receivers and video tape equipment.87 Figure 5 General principle of the current injection method89 Figure 6 Measurement principle
42、 for the immunity from conducted currents.91 Figure 7 Measuring set-up for the screening effectiveness.93 Figure 8 Measurement of immunity from induced voltages at mains input, headphones, speakers, audio output, audio input .95 Figure 9 Example of the arrangement of an open stripline TEM device in
43、combination with absorbing plates inside a screened room with dimensions of 3 m x 3,5 m97 Figure 10 Measurement of the immunity of broadcast receivers from radiated fields in the frequency range 0,15 MHz to 150 MHz in an open stripline .99 Figure 11 Measurement of the immunity from RF e.m. field, ke
44、yed carrier, using a dummy GSM portable telephone .101 Figure B.1 Band-pass filter 0,5 kHz to 3 kHz105 Figure C.1 Coupling unit type AC (for coaxial antenna input) .115 Figure C.2 Coupling unit type MC (for mains lead) .117 Figure C.3 Coupling unit type LC (for loudspeaker leads) 119 Figure C.4 Coup
45、ling unit type Sr with load resistances.119 Figure C.5 Measuring set-up to check the insertion loss of the coupling units in the frequency range 30 MHz to 150 MHz 121 Figure D.1 RC network for audio inputs (RCi ) .123 Figure D.2 RC network for audio outputs (RCo) .123 Figure D.3 Mains stop filter (M
46、SF) .125 Figure E.1 Open stripline TEM device, basic configuration with matching network and terminating impedance.127 Figure E.2 Overview of an open stripline TEM device.129 Figure E.3 Constructional details of an open stripline, TEM device 131 Figure E.4 Supplementary constructional details of the
47、 open stripline TEM device.133 Figure E.5 Matching network MN .133 Figure E.6 Terminating impedance TI 133 Figure E.7 Band-stop filter type MBS circuit (for mains connection) .135 Figure E.8 Band-stop filter type LBS (for loudspeaker connection).137 Figure F.1 Circuit arrangement for calibration of the measuring set-up.141 Figure F.2 Example of additional arrangement for enquiry of the calibration curve .143 Figure F.3 Calibration curve.143 Figure K.1 Measuring set-up for objective picture evaluation for EUT equipped with a di