IEC 62153-4-15:2021/AMD1:2024
(Amendment)Amendment 1 - Metallic cables and other passive components test methods - Part 4-15: Electromagnetic compatibility (EMC) related test method for measuring transfer impedance and screening attenuation or coupling attenuation with triaxial cell
Amendment 1 - Metallic cables and other passive components test methods - Part 4-15: Electromagnetic compatibility (EMC) related test method for measuring transfer impedance and screening attenuation or coupling attenuation with triaxial cell
Amendement 1 - Méthodes d'essai des câbles métalliques et autres composants passifs - Partie 4-15 : Compatibilité électromagnétique (CEM) - Méthode d'essai pour le mesurage de l'impédance de transfert et de l'affaiblissement d'écran ou de l'affaiblissement de couplage avec cellule triaxiale
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IEC 62153-4-15 ®
Edition 2.0 2024-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
AMENDMENT 1
AMENDEMENT 1
Metallic cables and other passive components test methods –
Part 4-15: Electromagnetic compatibility (EMC) related test method for
measuring transfer impedance and screening attenuation or coupling
attenuation with triaxial cell
Méthodes d'essai des câbles métalliques et autres composants passifs –
Partie 4-15: Compatibilité électromagnétique (CEM) – Méthode d'essai pour le
mesurage de l'impédance de transfert et de l'affaiblissement d'écran ou de
l'affaiblissement de couplage avec cellule triaxiale
IEC 62153-4-15:2021-08/AMD1:2024-05(en-fr)
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IEC 62153-4-15 ®
Edition 2.0 2024-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
AMENDMENT 1
AMENDEMENT 1
Metallic cables and other passive components test methods –
Part 4-15: Electromagnetic compatibility (EMC) related test method for
measuring transfer impedance and screening attenuation or coupling
attenuation with triaxial cell
Méthodes d'essai des câbles métalliques et autres composants passifs –
Partie 4-15: Compatibilité électromagnétique (CEM) – Méthode d'essai pour le
mesurage de l'impédance de transfert et de l'affaiblissement d'écran ou de
l'affaiblissement de couplage avec cellule triaxiale
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.100.10, 33.120.10 ISBN 978-2-8322-8831-3
– 2 – IEC 62153-4-15:2021/AMD1:2024
© IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
METALLIC CABLES AND OTHER PASSIVE COMPONENTS
TEST METHODS –
Part 4-15: Electromagnetic compatibility (EMC) related test method for
measuring transfer impedance and screening attenuation or coupling
attenuation with triaxial cell
AMENDMENT 1
FOREWORD
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Amendment 1 to IEC 62153-4-15:2021 has been prepared by IEC Technical Committee 46:
Cables, wires, waveguides, RF connectors, RF and microwave passive components and
accessories.
© IEC 2024
The text of this Amendment is based on the following documents:
Draft Report on voting
46/992/FDIS 46/1004/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this Amendment is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications/.
A list of all parts in the IEC 62153 series, published under the general title Metallic
communication cable test methods, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
IMPORTANT – The "colour inside" logo on the cover page of this document indicates
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of its contents. Users should therefore print this document using a colour printer.
___________
10.3 Expression of results
Add, at the end of the subclause, the following new sentence:
The coupling attenuation shall be described by an envelope line as described in Annex H,
Clause H.3. In case the measurement is made with mixed mode scattering parameters, the
coupling attenuation shall be obtained as described in Annex H, Clause H.2.
– 4 – IEC 62153-4-15:2021/AMD1:2024
© IEC 2024
Add, after Annex G, the following new Annex H:
Annex H
(normative)
Coupling attenuation expressed by mixed mode
scattering parameter and an envelope line
H.1 General
Coupling attenuation is often measured with a multiport network analyser with mixed mode
scattering parameters. In this case, the formulae for the conversion from voltage ratio to the
coupling attenuation shall be rearranged.
An envelope curve shall be drawn for the coupling attenuation. This simplifies the comparison
of test results.
H.2 Coupling attenuation expressed by mixed mode scattering parameter
Formula (19) is rearranged and expressed by a mixed mode scattering parameter:
ZZ22Z
diff s s
aS=−+20log 10log +10log =−+20log S 10log
(H.1)
c 10 sd21 10 10 10 sd21 10
ZZ Z
0 diff 0
where
a is the coupling attenuation;
c
S is the forward transmission scattering parameter; DUT exited in differential mode;
sd21
received power in single ended mode;
Z is the differential mode impedance;
diff
Z is the normalised value of the characteristic impedance of the environment of the
s
cable; Z = 150 Ω;
s
Z is the system impedance; Z = 50 Ω.
0 0
H.3 Envelope line of coupling attenuation
The coupling attenuation is expressed by a value A of an envelope line. The value A shall be
deduced by drawing a curve derived from the following Formula (H.2):
Af if 30 MHz ≤ < 100 MHz
E =
f (H.2)
c
A− 20log
10
where
f is the frequency in MHz;
E is the envelop line of coupling attenuation in dB;
c
A is the starting value of the envelope in dB.
© IEC 2024
This curve shall be raised until the first peak of the measurement trace is intersected. The value
A (in dB) is read where the curve intersects the Y axis, see Figure H.1.
Figure H.1 – Example of coupling attenuation with envelope line
___________
– 6 – IEC 62153-4-15:2021/AMD1:2024
© IEC 2024
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