CISPR 16-2-1:2014

CISPR 16-2-1 ®
Edition 3.1 2017-06
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBTIONS RADIOÉLECTRIQUES

BASIC EMC PUBLICATION
PUBLICATION FONDAMENTALE EN CEM

Specification for radio disturbance and immunity measuring apparatus and
methods –
Part 2-1: Methods of measurement of disturbances and immunity – Conducted
disturbance measurements
Spécifications des méthodes et des appareils de mesure des perturbations
radioélectriques et de l'immunité aux perturbations radioélectriques –
Partie 2-1: Méthodes de mesure des perturbations et de l'immunité – Mesures
des perturbations conduites
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CISPR 16-2-1 ®
Edition 3.1 2017-06
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE

COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES

BASIC EMC PUBLICATION
PUBLICATION FONDAMENTALE EN CEM

Specification for radio disturbance and immunity measuring apparatus and

methods –
Part 2-1: Methods of measurement of disturbances and immunity – Conducted

disturbance measurements
Spécifications des méthodes et des appareils de mesure des perturbations

radioélectriques et de l'immunité aux perturbations radioélectriques –

Partie 2-1: Méthodes de mesure des perturbations et de l'immunité – Mesures

des perturbations conduites
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.100.10; 33.100.20 ISBN 978-2-8322-4559-0

CISPR 16-2-1 ®
Edition 3.1 2017-06
CONSOLIDATED VERSION
REDLINE VERSION
VERSION REDLINE
colour
inside
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES

BASIC EMC PUBLICATION
PUBLICATION FONDAMENTALE EN CEM
Specification for radio disturbance and immunity measuring apparatus and
methods –
Part 2-1: Methods of measurement of disturbances and immunity – Conducted
disturbance measurements
Spécifications des méthodes et des appareils de mesure des perturbations
radioélectriques et de l'immunité aux perturbations radioélectriques –
Partie 2-1: Méthodes de mesure des perturbations et de l'immunité – Mesures
des perturbations conduites
– 2 – CISPR 16-2-1:2014+AMD1:2017 CSV
© IEC 2017
CONTENTS
FOREWORD . 8
1 Scope . 10
2 Normative references . 10
3 Terms, definitions and abbreviations . 11
3.1 Terms and definitions . 11
3.2 Abbreviations . 16
4 Types of disturbance to be measured . 17
4.1 General . 17
4.2 Types of disturbance . 17
4.3 Detector functions . 18
5 Connection of measuring equipment . 18
5.1 General . 18
5.2 Connection of ancillary equipment . 18
5.3 Connections to RF reference ground . 18
5.4 Connection between the EUT and the artificial mains network . 20
6 General measurement requirements and conditions . 21
6.1 General . 21
6.2 Disturbance not produced by the equipment under test . 21
6.2.1 General . 21
6.2.2 Compliance testing . 21
6.3 Measurement of continuous disturbance . 21
6.3.1 Narrowband continuous disturbance . 21
6.3.2 Broadband continuous disturbance . 21
6.3.3 Use of spectrum analyzers and scanning receivers . 22
6.4 EUT arrangement and measurement conditions . 22
6.4.1 EUT arrangement . 22
6.4.2 Normal load conditions . 24
6.4.3 Duration of operation . 24
6.4.4 Running-in/warm-up time . 24
6.4.5 Supply . 25
6.4.6 Mode of operation . 25
6.4.7 Operation of multifunction equipment . 25
6.4.8 Determination of EUT arrangement(s) that maximize(s)
emissions . 25
6.4.9 Recording of measurement results . 25
6.5 Interpretation of measuring results . 25
6.5.1 Continuous disturbance . 25
6.5.2 Discontinuous disturbance . 26
6.5.3 Measurement of the duration of disturbances. 26
6.6 Measurement times and scan rates for continuous disturbance . 26
6.6.1 General . 26
6.6.2 Minimum measurement times . 26
6.6.3 Scan rates for scanning receivers and spectrum analyzers . 27
6.6.4 Scan times for stepping receivers . 28
6.6.5 Strategies for obtaining a spectrum overview using the peak
detector . 29

© IEC 2017
6.6.6 Timing considerations using FFT-based instruments . 32
7 Measurement of disturbances conducted along leads, 9 kHz to 30 MHz . 34
7.1 General . 34
7.2 Measuring equipment (receivers, etc.) . 35
7.2.1 General . 35
7.2.2 Use of detectors for conducted disturbance measurements . 35
7.3 Ancillary measuring equipment . 35
7.3.1 General . 35
7.3.2 Artificial networks (ANs) . 35
7.3.3 Voltage probes . 36
7.3.4 Current probes . 36
7.4 Equipment under test Configuration of the EUT and method of
measurement . 37
7.4.1 Arrangement of the EUT and its connection to the AN . 37
7.4.2 Procedure for the measurement of unsymmetric disturbance
voltages with V-networks (AMNs) ANs . 43
7.4.3 Measurement of common mode voltages at differential mode
signal terminals . 52
7.4.4 Measurements using voltage probes . 53
7.4.5 Measurement using a capacitive voltage probe (CVP) . 56
7.4.6 Measurements using current probes . 56
7.5 System test configuration for conducted emissions mea
...