BS-EN-62153-4-7-2006.pdf
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1、BRITISH STANDARD BS EN 62153-4-7:2006 Metallic communication cables test methods Part 47: Electromagnetic compatibility (EMC) Test method for measuring the transfer impedance and the screening or the coupling attenuation Tube in tube method The European Standard EN 62153-4-7:2006 has the status of a
2、 British Standard ICS 33.120.10; 33.100 ? BS EN 62153-4-7:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2006 BSI 2006 ISBN 0 580 49312 1 National foreword This British Standard was published by BSI. It is the UK implementati
3、on of EN 62153-4-7:2006. It is identical with IEC 62153-4-7:2006. The UK participation in its preparation was entrusted to Technical Committee EPL/46, Cables, wires and waveguides, radio frequency connectors and accessories for communication and signalling. A list of organizations represented on EPL
4、/46 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publi
5、cation Amd. No. DateComments EUROPEAN STANDARD EN 62153-4-7 NORME EUROPENNE EUROPISCHE NORM August 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassar
6、t 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62153-4-7:2006 E ICS 33.120.10; 33.100 English version Metallic communication cables test methods Part 4-7: Electromagnetic compatibility (EMC) - Test me
7、thod for measuring the transfer impedance and the screening - or the coupling attenuation - Tube in tube method (IEC 62153-4-7:2006) Mthodes dessai des cbles mtalliques de communication Partie 4-7: Compatibilit lectromagntique (CEM) - Mthode dessai pour mesurer limpdance de transfert et laffaiblisse
8、ment dcran - ou laffaiblissement de couplage - Mthode des tubes concentriques (CEI 62153-4-7:2006) Prfverfahren fr metallische Kommunikationskabel Teil 4-7: Elektromagnetische Vertrglichkeit (EMV) - Messverfahren zur Messung der Kopplungswiderstandes und der Schirmung - oder der Kopplungsdmpfung - R
9、ohr-im-Rohr-Verfahren (IEC 62153-4-7:2006) This European Standard was approved by CENELEC on 2006-08-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any altera
10、tion. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by tra
11、nslation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, F
12、rance, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 62153-4-7:2006 2 Foreword The text of the International Standard IEC 62153-4-7
13、:2006, prepared by SC 46A, Coaxial cables, of IEC TC 46, Cables, wires, waveguides, R.F. connectors, R.F. and microwave passive components and accessories, was submitted to the formal vote and was approved by CENELEC as EN 62153-4-7 on 2006-08-01 without any modification. The following dates were fi
14、xed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-08-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2009-08-01 Annex ZA has been added by CENELEC. _
15、 Endorsement notice The text of the International Standard IEC 62153-4-7:2006 was approved by CENELEC as a European Standard without any modification. _ 3 EN 62153-4-7:2006 CONTENTS INTRODUCTION.5 1 Scope 6 2 Normative references .6 3 Terms and definitions .6 4 Principle of the test method 8 5 Theor
16、etical background 10 6 Procedure 10 6.1 Equipment.10 6.2 Connection between extension tube device under test10 6.3 Dynamic range respectively noise floor 11 6.4 Impedance of the inner system 11 6.5 Sample preparation .14 7 Measurement .15 7.1 Transfer impedance.15 7.2 Screening attenuation16 7.3 Cou
17、pling attenuation16 8 Expression of results 17 8.1 Transfer impedance and effective transfer impedance 17 8.2 Screening attenuation17 8.3 Coupling attenuation18 8.4 Requirement19 Annex A (informative) Measurements of the screening effectiveness of connectors and cable assemblies 20 Annex B (informat
18、ive) Influence of contact resistances 31 Annex ZA (normative) Normative references to international publications with their corresponding European publications34 Bibliography .33 Figure 1 Definition of ZT.7 Figure 2 Principle of the test set-up to measure transfer impedances and screening or couplin
19、g attenuation of connectors9 Figure 3 Principle of the test set-up to measure transfer impedances and screening attenuation of short cable assemblies9 Figure 4 Principle set-up for verification test.11 Figure 5 Impedance matching for Z1 50 13 Figure 7a Principle preparation of balanced or multicondu
20、ctor connectors for transfer impedance and screening attenuation .14 Figure 7b Principle preparation of balanced or multiconductor connectors for coupling attenuation15 Figure 7 Preparation of balanced or multiconductor connectors.15 EN 62153-4-7:2006 4 Figure 8 Measuring the transfer impedance with
21、 tube in tube15 Figure 9 Measuring the screening attenuation with tube in tube 16 Figure 10 Measuring the coupling attenuation with tube in tube.17 Figure 11 Typical measurement of a connector of 0,04 m length with 1 m extension tube 19 Figure A.1 Equivalent circuit of coupled transmission lines21 F
22、igure A.2 Summing function S22 Figure A.3 Calculated coupling transfer function (l = 1 m; er1 = 2,3; er2 = 1; ZF = 0) 23 Figure A.4 Triaxial set-up for the measurement of the screening attenuation aS and the transfer impedance ZT.25 Figure A.5 Simulation of a cable assembly (logarithmic scale).26 Fi
23、gure A.6 Simulation of a cable assembly (linear scale).26 Figure A.7 Triaxial set-up with extension tube for short cable assemblies27 Figure A.8 Triaxial set-up with extension tube for connectors28 Figure A.9 Simulation, logarithmic frequency scale 29 Figure A.10 Measurement, logarithmic frequency s
24、cale29 Figure A.11 Simulation, linear frequency scale.29 Figure A.12 Measurement, linear frequency scale29 Figure A.13 Simulation, logarithmic frequency scale 29 Figure A.14 simulation, linear frequency scale .29 Figure B.1 Contact resistances of the test set-up31 Figure B.2 Equivalent circuit of th
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