1、 IEC 62037-6 Edition 1.0 2013-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Passive RF and microwave devices, intermodulation level measurement Part 6: Measurement of passive intermodulation in antennas Dispositifs RF et micro-ondes passifs, mesure du niveau dintermodulation Partie 6: Mesure de lin
2、termodulation passive dans les antennes IEC 62037-6:2013-01(EN-FR) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2013 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mec
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20、ntermodulation level measurement Part 6: Measurement of passive intermodulation in antennas Dispositifs RF et micro-ondes passifs, mesure du niveau dintermodulation Partie 6: Mesure de lintermodulation passive dans les antennes INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE IN
21、TERNATIONALE M ICS 33.040.20 PRICE CODE CODE PRIX ISBN 978-2-8322-1345-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention
22、 Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 62037-6 IEC:2013 CONTENTS FOREWORD . 3 1 Scope . 5 2 Normative references . 5 3 Abbreviations . 5 4 Antenna definitions as it pertains to PIM . 5 4.1 Antenna 5 4.2 Antenna under test 6 4.3 Active antenna 6 4.4
23、Antenna PIM . 6 5 Antenna design and field installation considerations . 6 5.1 Environmental effects on PIM performance . 6 5.2 Antenna interface connection 6 5.3 Mounting considerations to avoid PIM generation 6 5.4 Neighbouring sources of interference 7 5.5 Standard practices and guidelines for ma
24、terial selection . 7 6 PIM measurement considerations . 7 6.1 Quality assurance process and handling procedures . 7 6.2 Measurement accuracy . 7 6.3 Test environment. 8 6.4 Safety . 8 6.5 Test set-up 8 6.5.1 Coaxial test cable assemblies 8 6.5.2 Defining a good low PIM reference load . 8 6.5.3 Test
25、set-up and test site baseline PIM verification . 8 6.6 PIM test configurations 9 6.7 Combined environmental and PIM testing 10 6.7.1 General . 10 6.7.2 Mechanical considerations . 10 6.7.3 Test system cables and connectors . 11 6.8 PIM test chamber design . 11 6.8.1 General . 11 6.8.2 RF absorber ma
26、terials . 11 6.8.3 Supporting structures and walls . 12 6.8.4 RF shielding 12 Figure 1 Antenna reverse PIM test set-up 9 Figure 2 Antenna forward PIM test set-up 10 62037-6 IEC:2013 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PASSIVE RF AND MICROWAVE DEVICES, INTERMODULATION LEVEL MEASUREMENT Part
27、 6: Measurement of passive intermodulation in antennas FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-opera
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35、ility shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (incl
36、uding legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of
37、 this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62037-6 has been prepared by technical commit
38、tee 46: Cables, wires, waveguides, r.f. connectors, r.f. and microwave passive components and accessories. This bilingual version (2014-01) corresponds to the monolingual English version, published in 2013-01. The text of this standard is based on the following documents: FDIS Report on voting 46/41
39、0/FDIS 46/422/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. The French version of this standard has not been voted upon. 4 62037-6 IEC:2013 This publication has been drafted in accordance with the ISO/IEC Direc
40、tives, Part 2. A list of all the parts in the IEC 62037 series, published under the general title Passive RF and microwave devices, Intermodulation level measurement can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stabi
41、lity date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 62037-6 IEC:2013 5 PASSIVE RF AND MICROWAVE DEVICES, INTERMODULATION LEVEL M
42、EASUREMENT Part 6: Measurement of passive intermodulation in antennas 1 Scope This part of IEC 62037 defines test fixtures and procedures recommended for measuring levels of passive intermodulation generated by antennas, typically used in wireless communication systems. The purpose is to define qual
43、ification and acceptance test methods for antennas for use in low intermodulation (low IM) applications. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition
44、cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 62037-1:2012, Passive r.f. and microwave devices, intermodulation level measurement Part 1: General requirements and measuring methods IEC 62037-3, Passive r.f. and microwave
45、devices, intermodulation level measurement Part 3: Measurement of passive intermodulation in coaxial connectors 3 Abbreviations AIM Active intermodulation AUT Antenna under test ESD Electrostatic discharge HPA High power amplifier IM Intermodulation LNA Low noise amplifier PIM Passive intermodulatio
46、n RF Radio frequency 4 Antenna definitions as it pertains to PIM 4.1 Antenna An antenna is that part of a radio transmitting or receiving system which is designed to provide the required coupling between a transmitter or a receiver and the medium in which the radio wave propagates. The antenna consi
47、sts of a number of parts or components. These components include, but are not limited to, one or many radiating elements, one or many RF interfaces, a distribution or combining feed network, internal support structures, devices which control or adjust the amplitude/phase response and distribution to
48、 the radiating element(s), filters, diplexers, orthomode transducers, polarizers, waveguides, coaxial cables or printed circuits. In addition, peripheral components could also influence the PIM performance of the antenna. These 6 62037-6 IEC:2013 components may include, but are not limited to, mount
49、ing brackets, mounting hardware, radome, radome fasteners, thermal insulation and grounding hardware. 4.2 Antenna under test The antenna hardware can have an effect on the overall antenna PIM performance. Therefore, it is necessary to specify the hardware which is to be part of the antenna under test (AUT). 4.3 Active antenna An active antenna incorporates active devices such as low noise amplifiers (LNAs), high power amplifiers
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