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AS/NZS IEC 61000.4.6:2024
[Current]Electromagnetic compatibility (EMC), Part 4.6: Testing and measurement techniques - Immunity to conducted disturbances, induced by radio-frequency fields
AS NZS IEC 61000.4.6:2024 identically adopts IEC 61000 4 6:2023, which establishes a common reference for evaluating the functional immunity of electrical and electronic equipment when subjected to conducted disturbances induced by RF fields. The test method in this document describes a consistent method to assess the immunity of an equipment or system against a specified phenomenon
Published: 08/03/2024
Pages: 78
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Test levels
6 Test equipment and level adjustment procedure
6.1 Test generator
6.2 Coupling and decoupling devices
6.2.1 General
6.2.2 Coupling/decoupling networks (CDNs)
6.2.2.1 General
6.2.2.2 CDNs for power supply lines
6.2.2.3 CDNs for unscreened balanced lines
6.2.2.4 CDNs for unscreened unbalanced lines
6.2.2.5 CDNs for screened cables
6.2.3 Clamp injection devices
6.2.3.1 General
6.2.3.2 Current clamp
6.2.3.3 EM clamp
6.2.4 Direct injection devices
6.2.5 Decoupling networks
6.3 Verification of the common-mode impedance at the EUT port of coupling and decoupling devices
6.3.1 General
6.3.2 Insertion loss of the 150 Ω to 50 Ω adapters
6.4 Setting of the test generator
6.4.1 General
6.4.2 Setting of the output level at the EUT port of the coupling device
7 Test setup and injection methods
7.1 Test setup
7.2 EUT comprising a single unit
7.3 EUT comprising several units
7.4 Rules for selecting injection methods and test points
7.4.1 General
7.4.2 Injection method
7.4.3 Ports to be tested
7.5 CDN injection application
7.6 Clamp injection application
7.7 Direct injection application
8 Test procedure
9 Evaluation of the test results
10 Test report
Annex A
A.1 EM clamps
A.1.1 General
A.1.2 Specification of EM clamps
A.2 EM clamp characterization
A.2.1 Specification of the clamp test jig
A.2.2 Clamp characterization
A.2.2.1 Impedance
A.2.2.1.1 Measurement setup
A.2.2.1.2 Transformation
A.2.2.1.3 Impedance calculation
A.2.2.2 Decoupling factor between EUT and AE
A.2.2.3 Coupling factor
A.3 Decoupling clamp characterization
A.3.1 General
A.3.2 Specification of decoupling clamps
A.3.3 Impedance
A.3.3.1 Measurement setup
A.3.3.2 Impedance calculation
A.3.4 Decoupling factor
Annex B
Annex C
Annex D
D.1 Basic features of the coupling and decoupling networks
D.2 Examples of coupling and decoupling networks
Annex E
Annex F
F.1 General
F.2 Test setup for large EUTs
Annex G
G.1 General
G.2 General symbols
G.3 Uncertainty budgets for test methods
G.3.1 Definition of the measurand
G.3.2 MU contributors of the measurand
G.3.3 Input quantities and calculation examples for expanded uncertainty
G.4 Expression of the calculated measurement uncertainty and its application
Annex H
H.1 General
H.2 Intermodulation
H.3 Power requirements
H.4 Level-setting requirements
H.5 Linearity check and harmonics checks of the test generator
H.6 EUT performance criteria with multiple signals
Annex I
I.1 General
I.2 Test setup for injection on identical ports
I.2.1 Selection of ports
I.2.2 Procedure for port-to-port injection
Annex J
J.1 Objective of limiting amplifier distortion
J.2 Possible problems caused by harmonics and saturation
J.3 Limiting the harmonic content in the disturbance signal
J.4 Effect of linearity characteristic on the immunity test
J.4.1 General
J.4.2 Evaluation of the amplifier linearity characteristic
J.4.2.1 Evaluation level range
J.4.2.2 Evaluation process
J.4.2.3 Linearity criteria
J.4.2.4 Confirming AM modulation
J.4.2.5 Immunity test when the amplifier linearity characteristic exceeds the criteria
Bibliography
Cited references in this standard
urn:iec:std:cispr:16-1-2::::
Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-2: Radio disturbance and immunity measuring apparatus - Coupling devices for conducted disturbance measurements
Content history
[Current]
[Superseded]
DR AS/NZS IEC 61000.4.6:2023
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