BSI 17/30356883 DC:2017 Edition
$13.70
BS EN 61000-4-3. Electromagnetic compatibility (EMC). Part 4-3. Testing and measurement techniques. Radiated, radiofrequency, electromagnetic field immunity test
| Published By | Publication Date | Number of Pages |
| BSI | 2017 | 86 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | CONTENTS |
| 8 | FOREWORD |
| 10 | INTRODUCTION |
| 11 | 1 Scope and object 2 Normative references |
| 12 | 3 Terms and definitions 3.1 amplitude modulation 3.2 anechoic chamber 3.2.1 fully anechoic chamber 3.2.2 semi-anechoic chamber 3.2.3 modified semi-anechoic chamber 3.3 antenna 3.4 balun 3.6 continuous waves (CW) 3.7 electromagnetic (EM) wave 3.8 far field |
| 13 | 3.9 field strength 3.10 frequency band 3.11 full illumination method 3.12 human body-mounted equipment 3.13 independent windows method 3.14 induction field (region) 3.15 intentional RF emitting device 3.16 isotropic 3.17 maximum RMS value 3.18 non-constant envelope modulation |
| 14 | 3.19 partial illumination method 3.20 polarization 3.22 shielded enclosure 3.23 sweep 3.24 transceiver 3.26 uniform field area (UFA) 4 General |
| 15 | 5 Test levels and frequency ranges 5.1 Selection of test level |
| 16 | 5.2 Test frequency ranges |
| 17 | 6 Test equipment 6.1 Test instrumentation 6.2 Description of the test facility |
| 19 | 6.3 Uniform Field Area (UFA) 6.3.1 Characteristics of the UFA |
| 24 | 6.3.2 Constant field strength level setting method |
| 25 | 6.3.3 Constant power level setting method |
| 26 | 6.3.4 Independent Windows Method |
| 28 | 7 Test setup 7.1 Arrangement of table-top equipment |
| 29 | 7.2 Arrangement of floor-standing equipment 7.3 Arrangement of wiring |
| 34 | 7.4 Arrangement of human body-mounted equipment 8 Test procedure 8.1 Laboratory reference conditions |
| 35 | 8.1.1 Climatic conditions 8.1.2 Electromagnetic conditions 8.2 Execution of the test |
| 36 | 9 Evaluation of test results |
| 37 | 10 Test report |
| 38 | Annex A (informative) Rationale for the choice of modulation for tests related to the protection against RF emissions from digital radio services A.1 Summary of available modulation methods |
| 40 | A.2 Experimental results |
| 42 | A.3 Secondary modulation effects A.4 Broadband Signal effects A.5 Conclusion |
| 43 | Annex B (informative) Field generating antennas B.1 Biconical antenna B.2 Log-periodic antenna B.3 Combination antennas B.4 Horn antenna and double ridge wave guide antenna |
| 44 | Annex C (informative) Use of anechoic chambers C.1 General anechoic chamber information C.2 Use of ferrite lined chambers at frequencies above 1 GHz C.2.1 Problems caused by the use of ferrite-lined chambers for radiated field immunity tests at frequencies above 1 GHz |
| 45 | C.2.2 Solutions to reduce reflections |
| 46 | Annex D (Informative) Amplifier compression and non-linearity D.1 Objective of limiting amplifier distortion D.2 Possible problems caused by harmonics and saturation D.3 Limiting the harmonic content in the field |
| 47 | D.4 Effect of linearity characteristic on the immunity test D.4.1 Evaluation method of Linearity characteristic D.4.1.1 Evaluation level range |
| 48 | D.4.1.2 Evaluation process D.4.1.3 Linearity criteria |
| 50 | D.4.1.4 Confirming AM modulation |
| 51 | D.4.1.5 Immunity test when Amplifier linearity characteristic exceeds the criteria. |
| 52 | Annex E (informative) Guidance for product committees on the selection of test levels E.1 Introduction E.2 Test levels related to general purposes |
| 53 | E.3 Test levels related to the protection against RF emissions from digital radio telephones |
| 54 | E.4 Special measures for fixed transmitters |
| 55 | Annex F (informative) Selection of test methods F.1 Selection of a suitable test method |
| 56 | Annex G (Informative) Cable layout details G.1 Intentions of EUT setup for radiated immunity test The intention of the field exposure. G.1.1 One meter of cable in the field G.1.2 A 0,25 m deep cable routing zone |
| 57 | G.1.3 The dipole effect of numerous cables G.1.4 Cables leaving the test area G.1.5 Use of cable terminations |
| 58 | G.1.6 Turning the EUT cabinets |
| 59 | Annex H (Informative) H.1 EUTs with bottom fed cables |
| 60 | H.2 EUTs with overhead cables |
| 61 | H.3 EUTs with the multiple cables and AEs |
| 62 | H.4 Large EUTs with the side fed cables and multiple UFA windows |
| 63 | Annex I (Informative) I.1 General I.2 Intermodulation |
| 64 | I.3 Power Requirements |
| 65 | I.4 Level setting requirements I.5 Linearity and harmonics checks I.6 EUT performance criteria with multiple signals |
| 66 | Annex J (informative) Calibration method for E-field probes J.1 Overview J.2 Probe calibration requirements J.2.1 General J.2.2 Calibration frequency range J.2.3 Frequency steps |
| 67 | J.2.4 Field strength |
| 68 | J.3 Requirements for calibration instrumentation J.3.1 Harmonics and spurious signals J.3.2 Linearity check for probe |
| 70 | J.3.3 Determination of the gain of the standard horn antennas J.4 Field probe calibration in anechoic chambers J.4.1 Calibration environments J.4.2 Validation of anechoic chambers for field probe calibration |
| 71 | J.4.2.1 Measuring net power to a transmitting device using directional couplers |
| 72 | J.4.2.2 Establishing a standard field using horn antennas J.4.2.3 Chamber validation test frequency range and frequency steps J.4.2.4 Chamber validation procedure |
| 73 | J.4.2.5 VSWR acceptance criteria |
| 74 | J.4.2.6 Probe fixture validation |
| 75 | J.4.2.7 Alternative chamber validation procedure |
| 76 | J.4.3 Probe calibration procedure |
| 77 | J.4.3.1 Probe calibration setup |
| 78 | J.4.3.2 Calibration report J.5 Other probe calibration environments and methods J.5.1 Field probe calibration using TEM cells |
| 79 | J.5.2 Field probe calibration using waveguide chambers |
| 80 | J.5.3 Field probe calibration using open-ended waveguides J.5.4 Calibration of field probes by gain transfer method J.6 Reference documents |
| 82 | Annex K (informative) Measurement uncertainty due to test instrumentation K.1 General K.2 Uncertainty budgets for level setting K.2.1 Definition of the measurand K.2.2 MU contributors of the measurand |
| 83 | K.2.3 Calculation examples for expanded uncertainty |
| 85 | K.3 Application K.4 Reference documents |
| 86 | Bibliography |
