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BS EN IEC 61000-4-3:2020 – TC

BS EN IEC 61000-4-3:2020 – TC

$280.87

Tracked Changes. Electromagnetic compatibility (EMC) – Testing and measurement techniques. Radiated, radio-frequency, electromagnetic field immunity test

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BSI 2020 194
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PDF Pages PDF Title
1 compares BS EN IEC 61000-4-3:2020
Incorporating corrigendum November 2020
2 TRACKED CHANGES
Text example 1 — indicates added text (in green)
3 Compliance with a British Standard cannot confer immunity from legal obligations.
Amendments/corrigenda issued since publication
4 July 2010October 2020
5 Endorsement notice
Foreword to amendment A1
Endorsement notice
Foreword to amendment A2
6 Endorsement notice
Endorsement notice
12 INTERNATIONAL ELECTROTECHNICAL COMMISSION
14 INTRODUCTION
Part 1: General
Part 2: Environment
Part 3: Limits
Part 4: Testing and measurement techniques
Part 5: Installation and mitigation guidelines
Part 6: Generic standards
Part 9: Miscellaneous
15 ELECTROMAGNETIC COMPATIBILITY (EMC) –
1 Scope and object
2 Normative references
3 Terms, definitions and abbreviated terms
33.1 Terms and definitions
16 3.1
3.1.1
3.23.1.2
3.2.13.1.3
3.2.2
3.1.4
3.2.33.1.5
3.3
3.1.6
17 3.43.1.7
3.1.8
3.53.1.9
3.6
3.1.10
3.7
3.1.11
3.8
18 3.1.12
3.93.1.13
3.10
3.11
3.123.1.14
3.133.1.15
3.14
3.15
3.163.1.16
3.1.17
19 3.1.18
3.183.1.19
3.1.20
3.193.1.21
3.20
3.21
3.1.22
20 3.223.1.23
3.1.24
3.24
3.25
3.26
3.27
3.1.25
3.1.26
3.1.27
21 3.1.28
3.2 Abbreviated terms
4 General
22 5 Test levels and frequency ranges
5.1 Selection of test level
Table 1 – Test levels related to general purpose, digital radio telephones and other RF emitting devices
5.1 Test levels related to general purposes
23 5.2 Test levels related to the protection against RF emissions from digital radio telephones and other RF emitting devices
Table 2 – Amplitude modulation characteristics at output of signal generator
24 Figure 1 – Definition of the 80 % amplitude modulated (AM) test signal and the waveshapes occurring
5.2 Test frequency ranges
25 6 Test equipment
6.1 Test instrumentation
6.16.2 Description of the test facility
26 Figure 2 – Example of suitable test facility
6.2 Calibration of field
27 Figure 3 – Level setting setup
28 Figure 4 – Dimensions of sixteen-point uniform field area
29 Figure 5 – Minimum UFA size having a fifth grid point in the centre
30 Table 2 – Requirements for uniform field area for application of full illumination partial illumination and independent windows method
31 Table 3 – Requirements for uniform field area for application of full illumination and partial illumination
32 Figure 6 – Measuring setup
33 6.2.26.3.3 Constant power calibrationlevel setting method
34 7 Test setup
7.1 General
35 7.17.2 Arrangement of table-top equipment
Figure 7 – Example of EUT setup and cable layout for table top EUT having a cable that leaves the test setup
37 Figure 8 – Example of EUT setup (top view)
38 7.37.4 Arrangement of wiring
39 7.47.5 Arrangement of human body-mounted equipment
8 Test procedure
8.1 General
8.18.2 Laboratory reference conditions
8.1.18.2.2 Climatic conditions
8.1.28.2.3 Electromagnetic conditions
8.28.3 Execution of the test
41 8.4 Step sizes
9 Evaluation of test results
10 Test report
42 Figure 1 – Definition of the test level and the waveshapes occurring at the output of the signal generator
Figure 2 – Example of suitable test facility
44 Figure 5 – Example of test setup for floor-standing equipment
45 Figure 7 – Measuring set-up
46 Annex A
(informative)
A.1 Summary of available modulation methods
47 Table A.1 – Comparison of modulation methods
48 Table A.2 – Relative interference levels a
49 Table A.3 – Relative immunity levels a
50 A.3 Secondary modulation effects
A.4 Conclusion
51 Annex B
(informative)
B.1 Biconical antenna
B.2 Log-periodic antenna
B.3 Combination antennas
B.3B.4 Horn antenna and double ridge wave guide antenna
52 Annex C
(informative)
C.1 General anechoic chamber information
Anechoic chambers are less effective at low frequencies (below 30 MHz), whereas ferrite-lined chambers may also be less effective at frequencies above 1 GHz. Care shall be taken to ensure the uniformity of the generated field at the lowest and highest…
C.2 Suggested adjustments to adapt for use at frequencies above 1 GHz ferrite-lined chambers designed for use at frequencies up to 1 GHz
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
53 Figure C.1 – Multiple reflections in an existing small anechoic chamber
C.2.2 Possible solutionSolutions to reduce reflections
In order to solve existing problems, the following procedures are suggested.
The influence from reflections can be reduced in the following manner:
54 Figure C.2 – Most of the reflected waves are eliminated (applies for top and side view)
55 Annex D
(informative)
D.1 Objective of limiting amplifier distortion
D.2 Possible problems caused by harmonics and saturation
D.3 Options for controlling amplifier non-linearity
D.3.1D.3 Limiting the harmonic content in the field
56 D.3.2 Measuring the harmonic content of the field
Figure D.1 − Measuring positions of the uniform field area
57 D.4.1 Example for the calibration procedure using the constant field strength calibration method as described in 6.2.1
Table D.1 – Forward power values measured according to the constant field strength calibration method
Table D.2 – Forward power values sorted according to rising value and evaluation of the measuring result
58 D.4.2 Example for the calibration procedure using the constant power calibration method as described in 6.2.2
Table D.3 – Forward power and field strength values measured according to the constant power calibration method
59 Table D.4 – Field strength values sorted according to rising value and evaluation of the measuring result
D.4 Effect of linearity characteristic on the immunity test
D.4.1 General
D.4.2 Evaluation method of the linearity characteristic
60 D.4.2.2 Evaluation process
Figure D.1 – Amplifier linearity measurement setup
D.4.2.3 Linearity criteria
61 Figure D.2 – Example of linearity curve
D.4.2.4 Immunity test when the amplifier linearity characteristic does not meet the criteria
62 Annex E
(informative)
E.1 IntroductionGeneral
E.2 Test levels related to general purposes
63 E.3 Test levels related to the protection against RF emissions from digital radio telephones
Table E.1 – Examples of test levels, associated protection distances and suggested performance criteria
64 Table E.1 – Examples of test levels, associated protection distances and performance criteria
E.4 Special measures for fixed transmitters
65 Annex F
(informative)
67 Annex G
(informative)
G.1 Digital radio telephones
71 Annex G
(informative)
G.1 Intentions of EUT setup for radiated immunity test
G.2 Cable in the field
G.3 Cables leaving the test area
G.4 Turning the EUT cabinets
72 Annex H
(normative)
H.1 Introduction
H.2 Calibration of field
73 Figure H.1a – Example of division for table-top equipment
Figure H.1b – Example of division for floor-standing equipment
74 Figure H.2 – Example of illumination of successive windows
75 Annex H
(informative)
H.1 EUTs with bottom fed cables
Figure H.1 – Example of a test setup for EUT with bottom fed underground cables (CMADs not shown)
76 H.2 EUTs with overhead cables
Figure H.2 – Example of a test setup for EUTs with overhead cables
77 H.3 EUTs with multiple cables and AEs
Figure H.3 – Example of a setup of EUTs with multiple cables and AEs
78 H.4 Large EUTs with side fed cables and multiple UFA windows
Figure H.4 – Large EUTs with side fed cables and multiple UFAs
79 Annex I
(informative)
I.1 General
I.2 Intermodulation
Figure I.1 – Test frequencies f1 and f2 and intermodulation frequencies of the second and third order
80 I.3 Power requirements
81 I.4 Level setting requirements
I.5 Linearity and harmonics checks
I.6 EUT performance criteria with multiple signals
82 Annex J
(informative)
J.1 General
J.2 Uncertainty budgets for level setting
J.2.1 Definition of the measurand
J.2.2 MU contributors of the measurand
83 Figure J.1 – Example of influences upon level setting
J.2.3 Calculation examples for expanded uncertainty
84 Table J.1 – CalibrationLevel setting process
Table J.2 – Level settingTest process
J.2.4 Explanation of terms
85 J.3 Application
J.4 Reference documents
86 Annex IAnnex K
(informative)
I.1K.1 Overview
I.2K.2 Probe calibration requirements
I.2.1K.2.1 General
I.2.2K.2.2 Calibration frequency range
I.2.3K.2.3 Frequency steps
87 I.2.4K.2.4 Field strength
Table I.1K.1– Calibration field strength level
I.3.1K.3.2 Harmonics and spurious signals
88 I.3.2K.3.3 Linearity check for probe
Table I.2K.2 – Example for the probe linearity check
89 Figure I.1K.1 – Example of linearity for probe
90 I.4K.4 Field probe calibration in anechoic chambers
I.4.1K.4.1 Calibration environments
91 I.4.2K.4.2 Validation of anechoic chambers for field probe calibration
I.4.2.1K.4.2.2 Measuring net power to a transmitting device using directional couplers
Figure I.2K.2– Setup for measuring net power to a transmitting device
92 I.4.2.2K.4.2.3 Establishing a standard field using horn antennas
I.4.2.3K.4.2.4 Chamber validation test frequency range and frequency steps
93 I.4.2.4K.4.2.5 Chamber validation procedure
Figure I.3K.3 – Test setup for chamber validation test
94 I.4.2.5K.4.2.6 VSWR acceptance criteria
95 Figure I.5K.5– Example of data adjustment
I.4.2.6K.4.2.7 Probe fixture validation
96 I.4.2.7K.4.2.8 Alternative chamber validation procedure
Figure I.6K.6 – Example of the test layout for antenna and probe
98 Figure I.8K.8 – Example of alternative chamber validation data
I.4.3.1K.4.3.2 TestProbe calibration setup
99 Figure I.9K.9 – Field probe calibration layout
100 Figure I.10K.10 – Field probe calibration layout (Toptop view)
K.5.1 General
I.5.1K.5.2 Field probe calibration using TEM cells
102 I.5.3K.5.4 Field probe calibration using open-ended waveguides
I.5.4K.5.5 Calibration of field probes by gain transfer method
103 I.6K.6 Reference documents
104 Annex ZA
(normative)
105 CENELEC interpretation sheet 1 February 2009
Foreword
Clause 5 Test levels
Question:
Interpretation:
Validity:
106 Bibliography
108 undefined
111 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
113 CONTENTS
117 FOREWORD
119 INTRODUCTION
120 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
124 3.2 Abbreviated terms
125 4 General
5 Test levels and frequency ranges
5.1 Selection of test level
126 Tables
Table 1 – Test levels
Table 2 – Amplitude modulation characteristics at output of signal generator
127 5.2 Test frequency ranges
Figures
Figure 1 – Definition of the 80 % amplitude modulated (AM) test signal and the waveshapes occurring
128 6 Test equipment
6.1 Test instrumentation
6.2 Description of the test facility
129 6.3 Uniform field area (UFA)
6.3.1 Characteristics of the UFA
Figure 2 – Example of suitable test facility
130 Figure 3 – Level setting setup
131 Figure 4 – Dimensions of sixteen-point uniform field area
132 Figure 5 – Minimum UFA size having a fifth grid point in the centre
133 Table 3 – Requirements for uniform field area for application of full illumination and partial illumination
134 6.3.2 Constant field strength level setting method
Figure 6 – Measuring setup
135 6.3.3 Constant power level setting method
136 7 Test setup
7.1 General
137 7.2 Arrangement of table-top equipment
Figure 7 – Example of EUT setup and cable layout for table top EUT having a cable that leaves the test setup
139 7.3 Arrangement of floor-standing equipment
Figure 8 – Example of EUT setup (top view)
140 7.4 Arrangement of wiring
141 7.5 Arrangement of human body-mounted equipment
8 Test procedure
8.1 General
8.2 Laboratory reference conditions
8.2.1 General
8.2.2 Climatic conditions
8.2.3 Electromagnetic conditions
8.3 Execution of the test
143 8.4 Step sizes
9 Evaluation of test results
10 Test report
145 Annexes
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
146 A.2 Experimental results
Table A.1 – Comparison of modulation methods
147 Table A.2 – Relative interference levels a
148 Table A.3 – Relative immunity levels a
149 A.3 Secondary modulation effects
A.4 Conclusion
150 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
151 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
152 C.2.2 Solutions to reduce reflections
Figure C.1 – Multiple reflections in an existing small anechoic chamber
Figure C.2 – Most of the reflected waves are eliminated(applies for top and side view)
153 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
154 D.4 Effect of linearity characteristic on the immunity test
D.4.1 General
D.4.2 Evaluation method of the linearity characteristic
155 Figure D.1 – Amplifier linearity measurement setup
156 Figure D.2 – Example of linearity curve
Figure D.3 – Example of gain deviation
158 Annex E (informative) Guidance for product committees on the selection of test levels
E.1 General
E.2 Test levels related to general purposes
159 E.3 Test levels related to the protection against RF emissions from digital radio telephones
Table E.1 – Examples of test levels, associated protection distances andperformance criteria
160 E.4 Special measures for fixed transmitters
161 Annex F (informative) Selection of test methods
163 Annex G (informative) Cable layout details
G.1 Intentions of EUT setup for radiated immunity test
G.2 Cable in the field
G.3 Cables leaving the test area
G.4 Turning the EUT cabinets
165 Annex H (informative) Examples of test setups for large and heavy EUTs
H.1 EUTs with bottom fed cables
Figure H.1 – Example of a test setup for EUT with bottom fed underground cables (CMADs not shown)
166 H.2 EUTs with overhead cables
Figure H.2 – Example of a test setup for EUTs with overhead cables
167 H.3 EUTs with multiple cables and AEs
Figure H.3 – Example of a setup of EUTs with multiple cables and AEs
168 H.4 Large EUTs with side fed cables and multiple UFA windows
Figure H.4 – Large EUTs with side fed cables and multiple UFAs
169 Annex I (informative) Testing with multiple signals
I.1 General
I.2 Intermodulation
Figure I.1 – Test frequencies f1 and f2 and intermodulation frequencies of the second and third order
170 I.3 Power requirements
171 I.4 Level setting requirements
I.5 Linearity and harmonics checks
I.6 EUT performance criteria with multiple signals
172 Annex J (informative) Measurement uncertainty due to test instrumentation
J.1 General
J.2 Uncertainty budgets for level setting
J.2.1 Definition of the measurand
J.2.2 MU contributors of the measurand
173 J.2.3 Calculation examples for expanded uncertainty
Figure J.1 – Example of influences upon level setting
Table J.1 – Level setting process
174 J.2.4 Explanation of terms
Table J.2 – Test process
175 J.3 Application
J.4 Reference documents
176 Annex K (informative) Calibration method for E-field probes
K.1 Overview
K.2 Probe calibration requirements
K.2.1 General
K.2.2 Calibration frequency range
K.2.3 Frequency steps
177 K.2.4 Field strength
K.3 Requirements for calibration instrumentation
K.3.1 General
K.3.2 Harmonics and spurious signals
Table K.1 – Calibration field strength level
178 K.3.3 Linearity check for probe
Table K.2 – Example for the probe linearity check
179 K.3.4 Determination of the gain of the standard horn antennas
Figure K.1 – Example of linearity for probe
180 K.4 Field probe calibration in anechoic chambers
K.4.1 Calibration environments
K.4.2 Validation of anechoic chambers for field probe calibration
181 Figure K.2 – Setup for measuring net power to a transmitting device
183 Figure K.3 – Test setup for chamber validation test
Figure K.4 – Detail for measurement position (L
184 Figure K.5 – Example of data adjustment
185 Figure K.6 – Example of the test layout for antenna and probe
Figure K.7 – Test setup for chamber validation test
186 K.4.3 Probe calibration procedure
Figure K.8 – Example of alternative chamber validation data
187 Figure K.9 – Field probe calibration layout
Figure K.10 – Field probe calibration layout (top view)
188 K.5 Other probe calibration environments and methods
K.5.1 General
K.5.2 Field probe calibration using TEM cells
189 K.5.3 Field probe calibration using waveguide chambers
Figure K.11 – Cross-sectional view of a waveguide chamber
190 K.5.4 Field probe calibration using open-ended waveguides
K.5.5 Calibration of field probes by gain transfer method
K.6 Reference documents
192 Bibliography

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