CISPR 16-1-2-2014 Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-2 Radio disturbance and immunity measuring apparatus - Coupling devices .pdf

1、 Specification for radio disturbance and immunity measuring apparatus and methods Part 1-2: Radio disturbance and immunity measuring apparatus Coupling devices for conducted disturbance measurements Spcifications des mthodes et des appareils de mesure des perturbations radiolectriques et de limmunit

2、 aux perturbations radiolectriques Partie 1-2: Appareils de mesure des perturbations radiolectriques et de limmunit aux perturbations radiolectriques Dispositifs de couplage pour la mesure des perturbations conduites CISPR 16-1-2 Edition 2.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE CISPR

3、16-1-2:2014-03 (EN-FR) INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE COMIT INTERNATIONAL SPCIAL DES PERTURBATIONS RADIOLECTRIQUES BASIC EMC PUBLICATION PUBLICATION FONDAMENTALE EN CEM colourinsideTHIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reser

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21、ontactez-nous: csciec.ch. CISPR 16-1-2 Edition 2.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XD ICS 33.100.10, 33.100.20 PRICE CODE CODE PRIX ISBN 978-2-8322-1412-1 Registered trademark of the Internationa

22、l Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. Specification for radio d

23、isturbance and immunity measuring apparatus and methods Part 1-2: Radio disturbance and immunity measuring apparatus Coupling devices for conducted disturbance measurements Spcifications des mthodes et des appareils de mesure des perturbations radiolectriques et de limmunit aux perturbations radiole

24、ctriques Partie 1-2: Appareils de mesure des perturbations radiolectriques et de limmunit aux perturbations radiolectriques Dispositifs de couplage pour la mesure des perturbations conduites INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE COMIT INTERNATIONAL SPCIAL DES PERTURBATIONS RADIOLECTR

25、IQUES BASIC EMC PUBLICATION PUBLICATION FONDAMENTALE EN CEM colourinside 2 CISPR 16-1-2 IEC:2014 CONTENTS FOREWORD . 7 1 Scope 9 2 Normative references 9 3 Terms, definitions and abbreviations . 10 3.1 Terms and definitions . 10 3.2 Abbreviations . 12 4 Artificial mains networks 12 4.1 General 12 4.

26、2 AMN impedance . 12 4.3 50 /50 H + 5 artificial mains V-network (V-AMN) for use in the frequency range 9 kHz to 150 kHz . 13 4.4 50 /50 H artificial mains V-network (V-AMN) for use in the frequency range 0,15 MHz to 30 MHz 14 4.5 50 /5 H + 1 artificial mains V-network (V-AMN) for use in the frequen

27、cy range 150 kHz to 108 MHz 15 4.6 150 artificial mains V-network (V-AMN) for use in the frequency range 150 kHz to 30 MHz . 17 4.7 150 artificial mains delta-network (-AMN) for use in the frequency range 150 kHz to 30 MHz . 17 General parameters 17 4.7.1Balance of the 150 artificial mains delta-net

28、work . 17 4.7.24.8 Isolation . 18 Requirement . 18 4.8.1Measurement procedure . 18 4.8.24.9 Current carrying capacity and series voltage drop 19 4.10 Modified reference ground connection . 19 4.11 Measurement of the voltage division factor of artificial mains V-networks . 20 5 Current and voltage pr

29、obes . 21 5.1 Current probes . 21 General 21 5.1.1Construction . 21 5.1.2Characteristics 21 5.1.35.2 Voltage probe 22 High impedance voltage probe 22 5.2.1Capacitive voltage probe 23 5.2.26 Coupling units for conducted current immunity measurement 25 6.1 General 25 6.2 Characteristics . 25 General 2

30、5 6.2.1Impedance 25 6.2.2Insertion loss 25 6.2.37 Coupling devices for measuring signal lines 26 7.1 General 26 7.2 Requirements for AANs (or Y-networks) . 26 7.3 Requirements for artificial networks for coaxial and other screened cables 30 8 The artificial hand and series RC element . 30 CISPR 16-1

31、-2 IEC:2014 3 8.1 General 30 8.2 Construction of the artificial hand and RC element . 30 8.3 The use of the artificial hand 31 9 CDNE for measurement of disturbance voltage in frequency range 30 MHz to 300 MHz 34 9.1 Instrumentation 34 General 34 9.1.1Description of the CDNE measurement . 35 9.1.2De

32、scription of the RGP . 35 9.1.39.2 Technical requirements for the CDNE-X . 36 Mechanical and electrical parameters . 36 9.2.1Validation of the CDNE . 36 9.2.29.3 Technical requirement for the RGP 39 Annex A (normative) AMNs 40 A.1 General 40 A.2 An example of the 50 /50 H + 5 artificial mains V-netw

33、ork 40 A.3 An example of the 50 /50 H artificial mains V-network . 41 A.4 Examples of the 50 /5 H + 1 artificial mains V-network . 41 A.5 An example of the 150 artificial mains V-network 42 A.6 Example of the 150 artificial mains delta-network . 43 A.7 Example design for an AMN with a 50 H inductor

34、. 44 A.7.1 The inductor . 44 A.7.2 The case of the inductor . 45 A.7.3 Isolation of the inductor 46 A.8 Measurement of the voltage division factor of an artificial mains V-network 46 Annex B (informative) Construction, frequency range, and calibration of current probes 49 B.1 Physical and electrical

35、 considerations for current probes . 49 B.2 Equivalent electrical circuit of current probe . 51 B.3 Detrimental effects of current probe measurements . 51 B.4 Typical frequency response characteristics of current probes. 52 B.5 A shielding structure for use with current probes 53 B.5.1 General 53 B.

36、5.2 Theoretical model . 54 B.5.3 Construction of the shielding structure 55 B.5.4 High-pass filter . 55 B.6 Calibration of current probes 55 Annex C (informative) Construction of the coupling units for current injection for the frequency range 0,15 MHz to 30 MHz 59 C.1 Coupling unit type A for coaxi

37、al antenna input . 59 C.2 Coupling unit type M, for mains leads 59 C.3 Coupling unit type L, for loudspeaker leads 62 C.4 Coupling unit type Sw, for audio-frequency signals 63 C.5 Coupling unit type Sw, for audio, video, and control signals . 63 Annex D (informative) Principle of operation and examp

38、les of coupling units for conducted current immunity measurements . 65 D.1 Principle of operation . 65 D.2 Types of unit and their construction . 65 4 CISPR 16-1-2 IEC:2014 Annex E (normative) Example and measurement of the parameters of the asymmetric artificial network (AAN) 69 E.1 Description of

39、an example of an AAN: the T-network 69 E.2 Measurements of the parameters of an asymmetric artificial network (AAN) 69 Annex F (normative) Example and measurement of the parameters of the AN for coaxial and other screened cables . 75 F.1 Description of ANs for coaxial and other screened cables 75 F.

40、2 Measurements of parameters of an AN for coaxial and other screened cables 75 Annex G (informative) Construction and evaluation of capacitive voltage probe . 77 G.1 General 77 G.2 Physical and electrical considerations for CVP . 77 G.3 Determination of the frequency response of the voltage division

41、 factor 77 G.4 Method of measurement to determine the influence of external electric fields 78 G.4.1 Influence of external electric field . 78 G.4.2 Method of measurement to determine the influence of the external electric field 78 G.5 Pulse response 78 G.6 Voltage division factor dependence 79 Anne

42、x H (informative) Rationale for the introduction of a minimum decoupling factor between mains and EUT/receiver ports for the V-AMN. 84 Annex I (informative) Rationale for the introduction of a phase tolerance for the V-AMN input impedance 85 Annex J (informative) Example CDNE set-up diagrams 87 J.1

43、CDNE-M2 and CDNE-M3 . 87 J.2 CDNE-Sx . 89 Bibliography 90 Figure 1 Impedance (magnitude and phase) of the V-network for Band A (see 4.3, the relevant frequency range is from 9 kHz to 150 kHz) 16 Figure 2 Impedance (magnitude and phase) of the V-network for Band B (see 4.4) 16 Figure 3 Impedance (mag

44、nitude and phase) of the V-network for Bands B and C (from 150 kHz to 108 MHz; see 4.5) 17 Figure 4 Method for checking the balance of the arrangement for the measurement of symmetrical voltages 18 Figure 5 Example of artificial mains 50 /50 H + 5 V-network (see 4.3 and A.2) 20 Figure 6 Example of a

45、rtificial mains V-networks, 50 /50 H, 50 /5 H + 1 or 150 (see 4.4, 4.5, 4.6, A.3, A.4 and A.5, respectively) . 20 Figure 7 Circuit for RF voltage measurement on supply mains . 23 Figure 8 Circuit used to make voltage measurements between a cable and reference ground 24 Figure 9 Measuring set-up to c

46、heck the insertion loss of the coupling units in the frequency range 30 MHz to 150 MHz 26 Figure 10 Principal circuit and LCL requirements of an AAN 28 Figure 11 Application of the artificial hand . 33 Figure 12 Examples of application of artificial hand to ITE . 34 Figure 13 Arrangement for validat

47、ion of a CDNE 37 CISPR 16-1-2 IEC:2014 5 Figure 14 IMA arrangement for correcting the electrical length . 38 Figure 15 Test arrangement for the measurement of the symmetric impedance (ZDM) . 39 Figure A.1 Example of an alternative 50 /5 H + 1 V-AMN for devices used with low impedance power sources 4

48、2 Figure A.2 Example of a -AMN for a measuring receiver with unbalanced input . 43 Figure A.3 Schematic of 50 H inductor . 45 Figure A.4 General view of an AMN . 45 Figure A.5 Attenuation of an AMN filter 46 Figure A.6 Test set-up for determining the voltage division factor 47 Figure B.1 Typical cur

49、rent probe configuration . 50 Figure B.2 High-pass filter with cut-off frequency of 9 kHz . 52 Figure B.3 Transfer impedance of typical current probes 53 Figure B.4 Set-up for current measurement using the AMN 54 Figure B.5 Shield configuration used with current transformer 55 Figure B.6 Schematic diagram of circuit with coaxial adaptor an