{"id":240926,"date":"2024-10-19T15:46:34","date_gmt":"2024-10-19T15:46:34","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-61000-4-31997\/"},"modified":"2024-10-25T10:32:34","modified_gmt":"2024-10-25T10:32:34","slug":"bs-en-61000-4-31997","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-61000-4-31997\/","title":{"rendered":"BS EN 61000-4-3:1997"},"content":{"rendered":"
Provides test levels and test procedures for evaluating the immunity of electrical and electronic equipment when subjected to radio-frequency electromagnetic fields.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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1<\/td>\n | BRITISH STANDARD <\/td>\n<\/tr>\n | ||||||
2<\/td>\n | Committees responsible for this British\ufffdStandard <\/td>\n<\/tr>\n | ||||||
3<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Foreword Foreword to amendment A1 Foreword to amendment A2 <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Contents <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | Introduction 1 Scope and object <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 2 Normative references 3 General 4 Definitions 4.1 amplitude modulation 4.2 anechoic chamber 4.2.1 fully anechoic chamber 4.2.2 semi-anechoic chamber 4.2.3 modified semi-anechoic chamber <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 4.3 antenna 4.4 balun 4.5 continuous waves (CW) 4.6 electromagnetic (EM) wave 4.7 far field 4.8 field strength 4.9 frequency band 4.10 induction field 4.11 isotropic 4.12 polarization 4.13 shielded enclosure <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 4.14 stripline 4.15 spurious radiation 4.16 sweep 4.17 transceiver 4.18 human body-mounted equipment 4.19 maximum RMS value 4.20 non-constant envelope modulation 4.21 TDMA (time division multiple access) <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 5 Test levels Table 2 Frequency ranges: 800 MHz to 960 MHz and 1,4 GHz to 2,0 GHz <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 6 Test equipment 6.1 Description of the test facility 6.2 Calibration of field <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 7 Test set-up 7.1 Arrangement of table-top equipment 7.2 Arrangement of floor-standing equipment 7.3 Arrangement of wiring <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 7.4 Arrangement of human body-mounted equipment 8 Test procedures <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 9 Evaluation of test results <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 10 Test report Figure 1 Definition of the test level and the waveshapes occurring at the output of the signal generator <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | Figure 2 Example of suitable test facility <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | Figure 3 Calibration of field <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Figure 4 Calibration of field, dimensions of the uniform area <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | Figure 5 Example of test set-up for floor-standing equipment <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | Figure 6 Example of test set-up for table-top equipment <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | Annex A (informative) Rationale for the choice of modulation for tests related to the protection against … A.1 Summary of available modulation methods Table A.1 Comparison of modulation methods <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | A.2 Experimental results <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Table A.2 Relative interference levels <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | Table A.3 Relative immunity levels <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | A.3 Secondary modulation effects A.4 Conclusion Annex B (informative) Field generating antennas B.1 Biconical antenna (20 MHz \u2013 300 MHz) B.2 Log-periodic antenna (80 MHz \u2013 1 000 MHz) B.3 Circularly polarized antenna B.4 Horn antenna and double ridge wave guide antenna <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Annex C (informative) Use of anechoic chambers Annex D (informative) Other test methods \u2014 TEM cells and striplines <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | Annex E (informative) Other test facilities E.1 Partially lined screened rooms E.2 Open area test site Annex F (informative) Guidance for product committees on the selection of test levels F.1 Introduction <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | F.2 Test levels related to general purposes F.3 Test levels related to the protection against RF emissions from digital radio telephones <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | Table F.1 Examples of test levels, associated protection distances and suggested performance criteria Annex G (informative) Special measures for fixed transmitters <\/td>\n<\/tr>\n | ||||||
33<\/td>\n | Annex H (informative) Selection of test methods Annex I (informative) Description of the environment I.1 Digital radio telephones <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | Table I.1 Mobile and portable units <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | Table I.2 Base stations <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | Annex ZA (normative) Normative references to international publications with their corresponding European … <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Electromagnetic compatibility (EMC) – Testing and measurement techniques – Radiated, radio-frequency, electromagnetic field immunity test<\/b><\/p>\n |