1、 IEC 62153-4-15 Edition 1.0 2015-12 INTERNA TIONAL STA NDA RD Metallic communication cable test methods Part 4-15:Electromagnetic compatibility (EMC)Test method for measuring transfer impedance and screening attenuation or coupling attenuation with triaxial cell IEC 62153-4-15:2015-12(en)colourinsid
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11、entre:csciec.ch.Copyright International Electrotechnical Commission IEC 62153-4-15 Edit ion 1.0 2015-12 INTER NA TIONAL STA NDA R D Metallic communication cable test methods Part 4-15:Electromagnetic compatibility(EMC)Test method for measuring transfer impedance and screening attenuation or coupling
12、 attenuation with triaxial cell INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.100;33.120.10 ISBN 978-2-8322-3056-5 R egist er ed tr ademar k of t he Int er national Electr ot echnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinsideCopyri
13、ght International Electrotechnical Commission 2 IEC 62153-4-15:2015 IEC 2015 CONTENTS FOREWORD.5 1 Scope.7 2 Normative references.7 3 Terms and definitions.8 4 Physical background.10 5 Principle of the test methods.10 5.1 General.10 5.2 Transfer impedance.11 5.3 Screening attenuation.12 5.4 Coupling
14、 attenuation.12 5.5 Tube in tube method.13 6 Test procedures.13 6.1 General.13 6.2 Triaxial cell.13 6.3 Cut off frequencies,higher order modes.13 6.4 Test equipment.14 6.5 Calibration procedure.14 6.6 Test leads and connecting cables to DUT.15 7 Sample preparation.15 7.1 Coaxial connector or assembl
15、y or quasi-coaxial component.15 7.2 Balanced or multipin connector or component.15 7.3 Cable assemblies.16 7.4 Other screened devices.17 8 Transfer impedance(short matched).17 8.1 General.17 8.2 Principle block diagram of transfer impedance.17 8.3 Measuring procedure.18 8.4 Evaluation of test result
16、s.18 8.5 Test report.18 9 Screening attenuation.19 9.1 General.19 9.2 Impedance matching.19 9.3 Measuring with matched conditions.19 9.3.1 Procedure.19 9.3.2 Evaluation of test results.19 9.4 Measuring with mismatch.20 9.4.1 General.20 9.4.2 Evaluaton of test results.20 9.5 Test report.21 10 Coupling attenuation.21 10.1 Procedure.21 10.2 Expression of results.21 10.3 Test report.22 11 Coupling transfer function.22 Annex A(informative)Principle of the triaxial test procedure.23 Copyright Internat
