International ISO Standard ISO11451-3 Fourth edition Road vehicles Vehicle test 2024-06 methods for electrical disturbances from narrowband radiated electromagnetic energy Part 3: On-board transmitter simulation Vehicules routiers - Methodes d'essai d'un véhicule soumis a des perturbations électriques par rayonnement d'énergie électromagnétique en bande étroite - Partie 3: Simulation des émetteurs embarqués Referencenumber ISO 11451-3:2024(en) @ISO 2024 IS0 11451-3:2024(en) COPYRIGHT PROTECTED DOCUMENT @ ISO 2024 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's member body in the country ofthe requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland @ IS0 2024 - All rights reserved ii IS0 11451-3:2024(en) Contents Page Foreword. .iv 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 .1 Test conditions. 5 Test location. 2 5.1 General 2 5.2 Absorber lined shielded enclosure (ALSE) 2 5.3 Outdoor test site Test instrumentation 2 6 6.1 General. 2 6.2 Signal sources 3 Transmitters with antenna outside the vehicle 6.2.1 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 3 6.3.3 Low loss coaxial cable 6.4 Vector network analyser (VNA) 4 6.5 Antennas 6.5.1 Simulated on-board transmitters 4 6.5.2 Simulated portable transmitter .5 6.6 Stimulation and monitoring of the vehicle .5 Test set-up 5 7 7.1 Transmitters with antenna outside the vehicle 5 7.2 Transmitters with antenna inside the vehicle 8 7.2.1 General 8 7.2.2 Simulated portable transmitters. .8 Test procedure 8 9 8.1 General .9 8.2 Test plan .9 8.3 Test method 10 8.3.1 Transmitters with antenna outside the vehicle 10 8.3.2 Transmitters with antenna inside the vehicle 11 12 8.4 Test report .13 Annex A (normative) Net power characterization procedure .26 Annex B (informative) Typical characteristics and use of transmitters Annex C (informative) Characteristics of simulated portable transmitter antenna. .29 .50 Annex D (informative) Function performance status classification (FPsC) Bibliography. 51 @ IS0 2024 - All rights reserved iii