ISO 11451-3:2024

FINAL DRAFT
International
Standard
ISO/FDIS 11451-3
ISO/TC 22/SC 32
Road vehicles — Vehicle test
Secretariat: JISC
methods for electrical disturbances
Voting begins on:
from narrowband radiated
2024-03-06
electromagnetic energy —
Voting terminates on:
2024-05-01
Part 3:
On-board transmitter simulation
Véhicules routiers — Méthodes d'essai d'un véhicule soumis
à des perturbations électriques par rayonnement d'énergie
électromagnétique en bande étroite —
Partie 3: Simulation des émetteurs embarqués
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
ISO/FDIS 11451-3:2024(en) © ISO 2024

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FINAL DRAFT
ISO/FDIS 11451-3:2024(en)
International
Standard
ISO/FDIS 11451-3
ISO/TC 22/SC 32
Road vehicles — Vehicle test
Secretariat: JISC
methods for electrical disturbances
Voting begins on:
from narrowband radiated
electromagnetic energy —
Voting terminates on:
Part 3:
On-board transmitter simulation
Véhicules routiers — Méthodes d'essai d'un véhicule soumis
à des perturbations électriques par rayonnement d'énergie
électromagnétique en bande étroite —
Partie 3: Simulation des émetteurs embarqués
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
COPYRIGHT PROTECTED DOCUMENT
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2024
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ISO/FDIS 11451-3:2024(en) © ISO 2024

© ISO 2024 – All rights reserved
ii

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ISO/FDIS 11451-3:2024(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test conditions . 1
5 Test location . 2
5.1 General .2
5.2 Absorber lined shielded enclosure (ALSE) .2
5.3 Outdoor test site .2
6 Test instrument
...

ISO/DISFDIS 11451-3:2022(E)
ISO/TC 22/SC 32
Secretariat: JISC
Date : 2023-04: 2024-02-21
Road vehicles — Vehicle test methods for electrical disturbances
from narrowband radiated electromagnetic energy — Part 3: On-
board transmitter simulation
Road vehicles — Vehicle test methods for electrical disturbances from
narrowband radiated electromagnetic energy - Part 3:
On-board transmitter simulation
Véhicules routiers — Méthodes d'essai d'un véhicule soumis à des perturbations électriques par rayonnement
d'énergie électromagnétique en bande étroite —
Partie 3: Simulation des émetteurs embarqués
FDIS stage

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ISO/DISFDIS 11451-3:2022(E2024(en)
© ISO 20222024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication
may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying,
or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO
at the address below or ISO'sISO’s member body in the country of the requester.
ISO Copyright Officecopyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Email: E-mail: copyright@iso.org
Website: www.iso.org
Published in Switzerland.
ii © ISO 2022 – All rights reserved
© ISO 2024 – All rights reserved

ii

---------------------- Page: 2 ----------------------
ISO/DISFDIS 11451-3:2022(E2024(en)
Contents
Foreword .vi i
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Test conditions . 1
5 Test location . 2
5.1 General . 2
5.2 Absorber lined shielded enclosure (ALSE) . 2
5.3 Outdoor test site . 2
6 Test instrumentation . 2
6.1 General . 2
6.2 Signal sources . 3
6.2.1 Transmitters with antenna outside the vehicle . 3
6.2.2 Transmitters with antenna inside the vehicle . 3
6.3 Power monitoring . 3
6.3.1 General . 3
6.3.2 Dual directional coupler . 4
6.3.3 Low loss coaxial cable .
...