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Paper Abstract and Keywords
Presentation 2010-01-22 12:45
Investigation of Imitation Effect of CMAD using Ferrite Core Alley in Radiated Disturbance Measurement
Tatsuro Honda, Nobuo Kuwabara (kyushu inst. of tech.), Jiro Kawano (VCCI Council) EMCJ2009-117
Abstract (in Japanese) (See Japanese page) 
(in English) In radiated disturbance measurement from EUT, it is very important to be correlated between test sites, and the method of using CMAD (Common Mode Absorbing Device) has been proposed. However, we need other devices to substitute the CMAD feature because this is expensive. In this report, we measured and analyzed the radiated electric field from imitated equipment when ferrite cores are inserted at the cable in series. Investigation results indicated that the deviation of the calculation results from the measurement results was within 4dB. In the case of the core used in this investigation, we found that more than 4 series ferrite cores could substitute the CMAD feature. Using the ferrite core array with cores, the relation between radiated field strength and the cable length was investigated. As a result, the influence of cable length was decrease when the ferrite cores were inserted near the imitated equipment. However, when the cores were inserted near the AC mains sockets on the turn table, the influence of the cable length was similar with case of not inserting ferrite cores.
Keyword (in Japanese) (See Japanese page) 
(in English) Ferrite core / CMAD / Radiated disturbance / correlation / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 370, EMCJ2009-117, pp. 111-116, Jan. 2010.
Paper # EMCJ2009-117 
Date of Issue 2010-01-14 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMCJ  
Conference Date 2010-01-21 - 2010-01-22 
Place (in Japanese) (See Japanese page) 
Place (in English) University of the Ryukyus 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2010-01-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of Imitation Effect of CMAD using Ferrite Core Alley in Radiated Disturbance Measurement 
Sub Title (in English)  
Keyword(1) Ferrite core  
Keyword(2) CMAD  
Keyword(3) Radiated disturbance  
Keyword(4) correlation  
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1st Author's Name Tatsuro Honda  
1st Author's Affiliation kyushu institute of technology (kyushu inst. of tech.)
2nd Author's Name Nobuo Kuwabara  
2nd Author's Affiliation kyushu institute of technology (kyushu inst. of tech.)
3rd Author's Name Jiro Kawano  
3rd Author's Affiliation VCCI Council (VCCI Council)
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Speaker Author-1 
Date Time 2010-01-22 12:45:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2009-117 
Volume (vol) vol.109 
Number (no) no.370 
Page pp.111-116 
#Pages 6 
Date of Issue 2010-01-14 (EMCJ) 

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