ISO INTERNATIONAL STANDARD 11452-2 Third edition 2019-01 Road vehicles Component test methods for electrical disturbances from narrowband radiated electromagnetic energy - Part 2: Absorber-lined shielded enclosure Vehicules routiers - Méthodes d'essai d'un équipement soumis a des perturbations électriques par rayonnement d'énergie électromagnétiqueenbandeétroite- Partie 2: Chambre anechoique Reference number ISO 11452-2:2019(E) os1 @ IS0 2019 IS0 11452-2:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2019 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 of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 11452-2:2019(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. .1 2 Normative references ..1 3 Terms and definitions 4 Test conditions. .1 5 Test location ..2 6 Test apparatus and instrumentation ..2 6.1 General .2 6.2 Measuring equipment .2 6.3 Stimulation and monitoring of DUT .3 7 Test set-up for DUT powered by an unshielded power system .3 7.1 Groundplane .3 7.2 Power supply and AN 3 7.3 Location of DUT ..4 7.4 Location of test harness 4 7.5 Location of load simulator 7.6 Location of field generating device (antenna) 4 8 Test setup for DUT powered by a shielded power system .11 8.1 Groundplane 11 8.2 Power supply and AN 11 8.3 Location of DUT .11 8.4 Location of test harness .12 8.5 Location of load simulator .12 8.6 Location of field generating device (antenna) .13 6 Test method .31 9.1 General. 31 9.2 Test plan. .31 9.3 Test procedure. 32 9.3.1 General .32 9.3.2 Substitution method 32 9.3.3 Field calibration. 32 9.3.4 DUT test. .33 9.4 Test report. .33 Annex A (informative) Remote/local grounding .34 Annex B (informative) Function performance status classification (FPsC) ..36 Bibliography ..37 @ IS0 2019 - All rights reserved iii