CISPR 32-2015 Electromagnetic compatibility of multimedia equipment - Emission requirements《多媒体设备的电磁兼容性 辐射要求》.pdf

1、 CISPR 32 Edition 2.0 2015-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Electromagnetic compatibility of multimedia equipment Emission requirements Compatibilit lectromagntique des quipements multimdia Exigences dmission CISPR 32:2015-03(en-fr) INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE

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20、f multimedia equipment Emission requirements Compatibilit lectromagntique des quipements multimdia Exigences dmission INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 33.100.10 ISBN 978-2-8322-2388-8 Registered trademark of the International Electrotechnical C

21、ommission 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. INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTE

22、RFERENCE COMIT INTERNATIONAL SPCIAL DES PERTURBATIONS RADIOLECTRIQUES colourinside 2 CISPR 32:2015 IEC 2015 CONTENTS FOREWORD . 8 1 Scope 10 2 Normative references 10 3 Terms, definitions and abbreviations . 11 3.1 Terms and definitions 11 3.2 Abbreviations 16 4 Classification of equipment 17 5 Requ

23、irements 18 6 Measurements . 18 6.1 General . 18 6.2 Host systems and modular EUT 18 6.3 Measurement procedure . 19 7 Equipment documentation . 20 8 Applicability . 20 9 Test report . 21 10 Compliance with this publication 22 11 Measurement uncertainty 22 Annex A (normative) Requirements 23 A.1 Gene

24、ral . 23 A.2 Requirements for radiated emissions 24 A.3 Requirements for conducted emissions . 28 Annex B (normative) Exercising the EUT during measurement and test signal specifications. 33 B.1 General . 33 B.2 Exercising of EUT ports 33 B.2.1 Audio signals . 33 B.2.2 Video signals . 33 B.2.3 Digit

25、al broadcast signals 34 B.2.4 Other signals . 34 Annex C (normative) Measurement procedures, instrumentation and supporting information 38 C.1 General . 38 C.2 Instrumentation and supporting information . 38 C.2.1 General . 38 C.2.2 Using CISPR 16 series as the basic standard 38 C.2.3 EUT cycle time

26、 and measurement dwell time . 41 C.3 General measurement procedures 41 C.3.1 Overview . 41 C.3.2 Prescan measurements . 43 C.3.3 Formal measurements . 43 C.3.4 Specifics for radiated emission measurements 43 C.3.5 Specifics for conducted emission measurements on the AC mains power ports . 43 C.3.6 S

27、pecifics for conducted emission measurements on analogue/digital data ports 43 CISPR 32:2015 IEC 2015 3 C.3.7 Specifics for conducted emission measurements on broadcast receiver tuner ports . 44 C.3.8 Specifics for conducted emission measurements on RF modulator output ports . 44 C.4 MME-related mea

28、surement procedures . 44 C.4.1 Measurement of conducted emissions at analogue/digital data ports . 44 C.4.2 Measurement of emission voltages at a TV/FM broadcast receiver tuner ports in the frequency range 30 MHz to 2,15 GHz 50 C.4.3 Measurement of the wanted signal and emission voltage at RF modula

29、tor output ports, in the frequency range 30 MHz to 2,15 GHz 51 C.4.4 Additional Normalized Site Attenuation (NSA) values . 52 Annex D (normative) Arrangement of EUT, local AE and associated cabling 54 D.1 Overview. 54 D.1.1 General . 54 D.1.2 Table-top arrangement 58 D.1.3 Floor standing arrangement

30、 . 58 D.1.4 Combinations of table-top and floor standing EUT arrangement . 59 D.1.5 Arrangements for radiated measurement in a FAR . 59 D.2 MME-related conditions for conducted emission measurement 59 D.2.1 General . 59 D.2.2 Specific conditions for table-top equipment 60 D.2.3 Specific requirements

31、 for floor standing equipment 61 D.2.4 Specific requirements for combined table-top and floor standing equipment 61 D.3 MME-related requirements for radiated measurement . 61 D.3.1 General . 61 D.3.2 Requirements for table-top equipment . 61 Annex E (informative) Prescan measurements . 72 Annex F (i

32、nformative) Test report contents summary . 73 Annex G (informative) Support information for the measurement procedures defined in C.4.1.1 74 G.1 Schematic diagrams of examples of asymmetric artificial networks . 74 G.2 Rationale for emission measurements and procedures for wired network ports . 83 G

33、.2.1 Limits 83 G.2.2 Combination of current probe and CVP 84 G.2.3 Basic ideas of the CVP 85 G.2.4 Combination of current and voltage limit 85 G.2.5 Ferrite requirements for use in C.4.1.1 87 Annex H (normative) Supporting information for the measurement of outdoor unit of home satellite receiving s

34、ystems . 90 H.1 Rationale 90 H.2 General . 90 H.3 Operation conditions . 91 H.4 Specific requirements for LO measurement . 91 H.5 EUT arrangements 92 Annex I (informative) Other test methods and associated limits for radiated emissions 94 I.1 General . 94 I.2 Procedures for radiated emission measure

35、ments using a GTEM or RVC . 94 I.3 Additional measurement procedure information . 96 4 CISPR 32:2015 IEC 2015 I.3.1 General . 96 I.3.2 Specific considerations for radiated emission measurements using a GTEM 96 I.3.3 Specific considerations for radiated emission measurements using an RVC 96 I.4 Use o

36、f a GTEM for radiated emission measurements 97 I.4.1 General . 97 I.4.2 EUT layout 97 I.4.3 GTEM, measurements above 1 GHz 98 I.4.4 Uncertainties . 99 I.5 Specific EUT arrangement requirements for radiated emission measurements above 1 GHz using an RVC . 99 I.6 Reference documents . 99 Bibliography

37、101 Figure 1 Examples of ports 15 Figure 2 Example of a host system with different types of modules 19 Figure A.1 Graphical representation of the limits for the AC mains power port defined in Table A.10 23 Figure C.1 Measurement distance 39 Figure C.2 Boundary of EUT, Local AE and associated cabling

38、 40 Figure C.3 Decision tree for using different detectors with quasi peak and average limits . 41 Figure C.4 Decision tree for using different detectors with peak and average limits 42 Figure C.5 Decision tree for using different detectors with a quasi-peak limit 42 Figure C.6 Calibration fixture .

39、 50 Figure C.7 Arrangement for measuring impedance in accordance with C.4.1.7 50 Figure C.8 Circuit arrangement for measurement of emission voltages at TV/FM broadcast receiver tuner ports 51 Figure C.9 Circuit arrangement for the measurement of the wanted signal and emission voltage at the RF modul

40、ator output port of an EUT . 52 Figure D.1 Example measurement arrangement for table-top EUT (conducted and radiated emission) (top view) 62 Figure D.2 Example measurement arrangement for table-top EUT (conducted emission measurement alternative 1) . 63 Figure D.3 Example measurement arrangement for

41、 table-top EUT (conducted emission measurement alternative 2) . 64 Figure D.4 Example measurement arrangement for table-top EUT measuring in accordance with C.4.1.6.4 . 64 Figure D.5 Example measurement arrangement for table-top EUT (conducted emission measurement alternative 2, showing AAN position

42、) . 65 Figure D.6 Example measurement arrangement for floor standing EUT (conducted emission measurement) 66 Figure D.7 Example measurement arrangement for combinations of EUT (conducted emission measurement) 67 Figure D.8 Example measurement arrangement for table-top EUT (radiated emission measurem

43、ent) . 67 Figure D.9 Example measurement arrangement for floor standing EUT (radiated emission measurement) 68 CISPR 32:2015 IEC 2015 5 Figure D.10 Example measurement arrangement for combinations of EUT (radiated emission measurement) 69 Figure D.11 Example measurement arrangement for tabletop EUT

44、(radiated emission measurement within a FAR) 70 Figure D.12 Example cable configuration and EUT height (radiated emission measurement within a FAR) 71 Figure G.1 Example AAN for use with unscreened single balanced pairs . 74 Figure G.2 Example AAN with high LCL for use with either one or two unscree

45、ned balanced pairs 75 Figure G.3 Example AAN with high LCL for use with one, two, three, or four unscreened balanced pairs . 76 Figure G.4 Example AAN, including a 50 source matching network at the voltage measuring port, for use with two unscreened balanced pairs . 77 Figure G.5 Example AAN for use

46、 with two unscreened balanced pairs . 78 Figure G.6 Example AAN, including a 50 source matching network at the voltage measuring port, for use with four unscreened balanced pairs 79 Figure G.7 Example AAN for use with four unscreened balanced pairs 80 Figure G.8 Example AAN for use with coaxial cabl

47、es, employing an internal common mode choke created by bifilar winding an insulated centre-conductor wire and an insulated screen-conductor wire on a common magnetic core (for example, a ferrite toroid) . 81 Figure G.9 Example AAN for use with coaxial cables, employing an internal common mode choke

48、created by miniature coaxial cable (miniature semi-rigid solid copper screen or miniature double-braided screen coaxial cable) wound on ferrite toroids . 81 Figure G.10 Example AAN for use with multi-conductor screened cables, employing an internal common mode choke created by multifilar winding mul

49、tiple insulated signal wires and an insulated screen-conductor wire on a common magnetic core (for example, a ferrite toroid) . 82 Figure G.11 Example AAN for use with multi-conductor screened cables, employing an internal common mode choke created by winding a multi-conductor screened cable on ferrite toroids . 83 Figure G.12 Basic circuit for considering the limits with def