SANS 61000-4-3-2008 Electromagnetic compatibility (EMC) Part 4-3 Testing and measurement techniques - Radiated radio-frequency electromagnetic field immunity test《电磁兼容性(EMC) 第4-3部分.pdf
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1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21609-2 SANS 61000-4-3:2008 Edition 3.1 IEC 61000-4-3:2008 Edition 3.1SOUTH AFRICAN NATIONAL STANDARD Electromagnetic compatibility (EMC)
4、Part 4-3: Testing and measurement techniques Radiated, radio-frequency, electromagnetic field immunity test This national standard is the identical implementation of IEC 61000-4-3:2008 and is adopted with the permission of the International Electrotechnical Commission. Published by Standards South A
5、frica 1 dr lategan road groenkloof private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa This standard may only be used and printed by approved subscription and freemailing clients of the SABS.SANS 61000-4-3:2008 Edition
6、 3.1 IEC 61000-4-3:2008 Edition 3.1 Table of changes Change No. Date Scope IEC amdt 1 2007 Amended to add an informative annex on the calibration method for e-field probes. National foreword This South African standard was approved by National Committee StanSA TC 73, Electromagnetic compatibility, i
7、n accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This SANS document was published in May 2008. This SANS document supersedes SANS 61000-4-3:2006 (edition 3). This standard may only be used and printed by approved subscription and freemailin
8、g clients of the SABS. IEC 61000-4-3 Edition 3.1 2008-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Electromagnetic compatibility (EMC) Part 4-3: Testing and measurement techniques Radiated, radio-frequency, electromagnetic field immunity test Compatibilit lectromagntique (CEM) Partie 4-3: Techniqu
9、es dessai et de mesure Essai dimmunit aux champs lectromagntiques rayonns aux frquences radiolectriques INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE CL ICS 33.100.20 PRICE CODE CODE PRIX ISBN 2-8318-9550-2 BASIC EMC PUBLICATION PUBLICATION FONDAMENTALE EN CEM
10、SANS 61000-4-3:2008This standard may only be used and printed by approved subscription and freemailing clients of the SABS. 2 61000-4-3 IEC:2006+A1:2007 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope and object7 2 Normative references .7 3 Terms and definitions .8 4 General 11 5 Test levels11 5.1 Test l
11、evels related to general purposes .12 5.2 Test levels related to the protection against RF emissions from digital radio telephones and other RF emitting devices .12 6 Test equipment.13 6.1 Description of the test facility 13 6.2 Calibration of field .14 7 Test setup 19 7.1 Arrangement of table-top e
12、quipment19 7.2 Arrangement of floor-standing equipment 19 7.3 Arrangement of wiring .20 7.4 Arrangement of human body-mounted equipment20 8 Test procedure .20 8.1 Laboratory reference conditions 20 8.2 Execution of the test21 9 Evaluation of test results 22 10 Test report22 Annex A (informative) Rat
13、ionale for the choice of modulation for tests related to the protection against RF emissions from digital radio telephones 31 Annex B (informative) Field generating antennas .36 Annex C (informative) Use of anechoic chambers 37 Annex D (informative) Amplifier non-linearity and example for the calibr
14、ation procedure according to 6.2 .40 Annex E (informative) Guidance for product committees on the selection of test levels45 Annex F (informative) Selection of test methods 48 Annex G (informative) Description of the environment49 Annex H (normative) Alternative illumination method for frequencies a
15、bove 1 GHz (“independent windows method”) 54 Annex I (informative) Calibration method for E-field probes57 Figure 1 Definition of the test level and the waveshapes occurring at the output of the signal generator24 Figure 2 Example of suitable test facility25 Figure 3 Calibration of field26 Figure 4
16、Calibration of field, dimensions of the uniform field area 27 Figure 5 Example of test setup for floor-standing equipment 28 Figure 6 Example of test setup for table-top equipment29 Figure 7 Measuring setup 30 SANS 61000-4-3:2008This standard may only be used and printed by approved subscription and
17、 freemailing clients of the SABS.61000-4-3 IEC:2006+A1:2007 3 Figure C.1 Multiple reflections in an existing small anechoic chamber38 Figure C.2 Most of the reflected waves are eliminated .39 Figure D.1 Measuring positions of the uniform field area42 Figure H.1 Examples of division of the calibratio
18、n area into 0,5 m 0,5 m windows .55 Figure H.2 Example of illumination of successive windows.56 Figure I.1 Example of linearity for probe 60 Figure I.2 Setup for measuring net power to a transmitting device .62 Figure I.3 Test setup for chamber validation test64 Figure I.4 Detail for measurement pos
19、ition L64 Figure I.5 Example of data adjustment.65 Figure I.6 Example of the test layout for antenna and probe.66 Figure I.7 Test setup for chamber validation test67 Figure I.8 Example alternative chamber validation data .67 Figure I.9 Field probe calibration layout .68 Figure I.10 Field probe calib
20、ration layout (Top view) 68 Figure I.11 Cross-sectional view of a waveguide chamber .70 Table 1 Test levels related to general purpose, digital radio telephones and other RF emitting devices11 Table 2 Requirements for uniform field area for application of full illumination, partial illumination and
21、independent windows method15 Table A.1 Comparison of modulation methods .32 Table A.2 Relative interference levels33 Table A.3 Relative immunity levels.34 Table D.1 Forward power values measured according to the constant field strength calibration method 43 Table D.2 Forward power values sorted acco
22、rding to rising value and evaluation of the measuring result .43 Table D.3 Forward power and field strength values measured according to the constant power calibration method44 Table D.4 Field strength values sorted according to rising value and evaluation of the measuring result .44 Table E.1 Examp
23、les of test levels, associated protection distances and suggested performance criteria47 Table G.1 Mobile and portable units.51 Table G.2 Base stations.52 Table G.3 Other RF devices.53 Table I.1 Calibration field strength level .58 Table I.2 Example for the probe linearity check59 SANS 61000-4-3:200
24、8This standard may only be used and printed by approved subscription and freemailing clients of the SABS. 4 61000-4-3 IEC:2006+A1:2007 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTROMAGNETIC COMPATIBILITY (EMC) Part 4-3: Testing and measurement techniques Radiated, radio-frequency, electromagnet
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