CISPR 16-1-4:2010/AMD2:2017

Amendment 2 - Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-4: Radio disturbance and immunity measuring apparatus - Antennas and test sites for radiated disturbance measurements

Amendement 2 - Spécifications des méthodes et des appareils de mesure des perturbations radioélectriques et de l'immunité aux perturbations radioélectriques - Partie 1-4: Appareils de mesure des perturbations radioélectriques et de l'immunité aux perturbations radioélectriques - Antennes et emplacements d essai pour les mesures des perturbations rayonnées

General Information

• Status: Published
• Publication Date: 18-Jan-2017
• ICS: 33.100.10 - Emission
• ICS: 33.100.20 - Immunity
• Technical Committee: CIS/A - Radio-interference measurements and statistical methods
• Current Stage: DELPUB - Deleted Publication
• Completion Date: 08-Jan-2019

Relations

• Amends: CISPR 16-1-4:2010 - Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-4: Radio disturbance and immunity measuring apparatus - Antennas and test sites for radiated disturbance measurements
• Effective Date: 05-Sep-2023
• Revised: CISPR 16-1-4:2019 - Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-4: Radio disturbance and immunity measuring apparatus - Antennas and test sites for radiated disturbance measurements
• Effective Date: 05-Sep-2023

Standards Content (Sample)

CISPR 16-1-4 ®
Edition 3.0 2017-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE

COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES

BASIC EMC PUBLICATION
PUBLICATION FONDAMENTALE EN CEM
AMENDMENT 2
AMENDEMENT 2
Specification for radio disturbance and immunity measuring apparatus and
methods –
Part 1-4: Radio disturbance and immunity measuring apparatus – Antennas and
test sites for radiated disturbance measurements

Spécifications des méthodes et des appareils de mesure des perturbations
radioélectriques et de l'immunité aux perturbations radioélectriques –
Partie 1-4: Appareils de mesure des perturbations radioélectriques et de
l'immunité aux perturbations radioélectriques – Antennes et emplacements
d’essai pour les mesures des perturbations rayonnées

CISPR 16-1-4:2010-04/AMD2:2017-01(en-fr)

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CISPR 16-1-4 ®
Edition 3.0 2017-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE

COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES

BASIC EMC PUBLICATION
PUBLICATION FONDAMENTALE EN CEM

AMENDMENT 2
AMENDEMENT 2
Specification for radio disturbance and immunity measuring apparatus and

methods –
Part 1-4: Radio disturbance and immunity measuring apparatus – Antennas and

test sites for radiated disturbance measurements

Spécifications des méthodes et des appareils de mesure des perturbations

radioélectriques et de l'immunité aux perturbations radioélectriques –

Partie 1-4: Appareils de mesure des perturbations radioélectriques et de

l'immunité aux perturbations radioélectriques – Antennes et emplacements

d’essai pour les mesures des perturbations rayonnées

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.100.10; 33.100.20 ISBN 978-2-8322-3778-6

– 2 – CISPR 16-1-4:2010/AMD2:2017

© IEC 2017
FOREWORD
This amendment has been prepared by CISPR subcommittee A: Radio-interference

measurements and statistical methods, of IEC technical committee CISPR: International
special committee on radio interference.

The text of this amendment is based on the following documents:

FDIS Report on voting
CISPR/A/1194/FDIS CISPR/A/1203/RVD

Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC website under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
_____________
2 Normative references
Replace, in the existing list, the reference to CISPR 16-2-3 by the following:
CISPR 16-2-3:2010, Specification for radio disturbance and immunity measuring apparatus
and methods – Part 2-3: Methods of measurement of disturbances and immunity – Radiated
disturbance measurements
Add, to the existing list, the following new normative reference:
CISPR 16-1-6:2014, Specification for radio disturbance and immunity measuring apparatus
and methods – Part 1-6: Radio disturbance and immunity measuring apparatus – EMC
antenna calibration
CISPR 16-1-6:2014/AMD1:2016
3.1 Terms and definitions
Add, after the existing 3.1.27 added by Amendment 1, the following the new term and
definition:
3.1.28
mechanical boresight
direction of the main beam, which is defined by the geometric properties of the antenna

© IEC 2017
3.2 Abbreviations
Add to the existing list the following new abbreviations:

RX Receive
TX Transmit
4.6 Frequency range 1 GHz to 18 GHz

Add, before the existing text, the following new title:

4.6.1 General
Delete, in the third sentence of the first paragraph of the existing subclause, the latter half of
the sentence starting with “or provisions shall be made…”
Add at the end of the existing 4.6 the following new subclauses:
4.6.2 Receive antenna
4.6.2.1 General
The receive antenna shall be linearly polarized and shall be the same type as used for EUT
emission measurements.
Some antenna models may have different versions with possibly different patterns and users
are advised to verify this.
NOTE 1 “Antenna type” means a shape or a kind of antenna, for example horn and LPDA antenna.
NOTE 2 “Antenna model” means the specified manufacturer’s model number.
NOTE 3 “Version” means the specified manufacturer’s revision number, if applicable, of a particular antenna
model number.
4.6.2.2 Receive antenna radiation pattern
E-plane and H-plane radiation patterns shall be measured with reference to the boresight.
The measurand is the antenna pattern in dB and as represented on the polar chart in
Figure 43.
The normalization of this chart is to 0 dB.

The 0º angle shall be equal to the mechanical boresight.
The E-plane and H-plane radiation patterns of each individual antenna shall be recorded over
the frequency range of the antenna with a step size of 500 MHz or smaller according to
Annex I of CISPR 16-1-6:2014/AMD1:2016.
Type test results, including statistical data, supplied by the manufacturer may be used to
provide evidence that the receive antenna radiation pattern requirements are met. Service
measures shall be taken to assure pattern stability during the antenna life.

– 4 – CISPR 16-1-4:2010/AMD2:2017

© IEC 2017
15 345
30 330
45 315
60 300
75 285
90 270
–15 –12 –9 –6 –3 0
105 255
120 240
135 225
150 210
165 195
IEC
Figure 43 – RX antenna E-plane radiation pattern example with limit for
3 m distance and 2 m EUT width
NOTE In general, the boresight direction is the direction of maximum radiation from the antenna, However it may
happen that the pattern has two radiation maxima and none of the maxima are in the direction of the mechanical
boresight as in Figure 43.
4.6.2.3 Receive antenna radiation pattern requirements
The grey areas shown in the polar diagrams of Figures 44 and 45 are defined by the
maximum height, h, and the maximum width, w, of the EUT and the test distance, d.
In order for the receive antenna to sufficiently illuminate the EUT, the half power beam-width
of the receive antenna shall not fall inside this area in E-plane and H-plane cuts as shown in
Figures 44 and 45.
w
0 dB
–3 dB
w = maximum width of the EUT
IEC
Figure 44 – Determination of maximum useable EUT width using
half power beam-width
© IEC 2017
–3 dB
0 dB
h = maximum height of the EUT
IEC
Figure 45 – Determination of maximum useable EUT height using
half power beam-width
8.3.1 General
Add, between the third and fourth paragraphs, the following new paragraph and new NOTE 3:
When measuring the disturbance of an EUT size smaller than the validated diameter, the
diameter of the validated test volume is assumed to apply. In this case the antenna position is
adjusted such that the distance between the EUT and the antenna reference point is identical
to the distance used for S validation.
VSWR
NOTE 3 For EUTs smaller than the validated test volume, the rationale is that the RX antenna position in relation
to the front of the EUT be adjusted to remain at the distance used in S validation. It is assumed that a smaller
VSWR
EUT will remain within the half power beam-width of the RX antenna and since the chamber is validated for the
largest EUT and therefore the widest beam-width of the RX antenna, the requirements of 7.6.6.1 in CISPR 16-2-
3:2010 are met.
8.3.3.1.1 General
Replace the existing text of this subclause by the following new paragraphs and note:
To provide illumination of all reflecting surfaces during this test, and to simulate the possible
low-directivity radiation patterns exhibited by many EUTs, this subclause specifies
characteristics for equipment used for S testing. For this purpose, RX and TX antennas
VSWR
are used.
The following subclauses define the performance criteria for the TX antennas for the S
VSWR
test. For the performance criteria of RX antennas see 4.6.2.3. Type test results supplied by
the manufacturer may be used to provide evidence that the performance criteria are met.
The TX and RX patterns shall be measured according to Annex I of
CISPR 16-1-6:2014/AMD1:2016.
For both the TX and RX antennas, one or more antennas can be used to cover the whole
frequency range for the S test.
VSWR
NOTE It is ass
...