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Paper Abstract and Keywords
Presentation 2012-01-27 11:10
A Study on Conducted Disturbances Measurement by using CDNE -- Necessity of LCL Requirements --
Norihito Hirasawa, Shin Kanno, Yoshiharu Akiyama (NTT) EMCJ2011-117
Abstract (in Japanese) (See Japanese page) 
(in English) An alternative test method for radiated emission measurement emitted from the lighting equipment in frequency range 30 to 300 MHz has been discussed in International Special Committee on Radio Interference (CISPR). The test method is a conducted disturbance measurement by means of CDNEs (Coupling and decoupling networks for emission) and is discussed to put into the basic standard of CISPR. If the CDNE and the test method using it are put into the basic standard, it is possible to apply to the various types of ports and equipment. However, the test method could not measure the conducted disturbance voltages precisely when the disturbance having differential-mode components. This is because the CDNEs are not required specific characteristics of the longitudinal conversion loss (LCL).
In this technical report, we show the relation between LCL and measured disturbances in theoretically and experimentally so as to describe the problem on measuring the conducted disturbance source including differential-mode components by means of the CDNE. Based on the results, we suggest the necessity of LCL requirements for the CDNE.
Keyword (in Japanese) (See Japanese page) 
(in English) CDNE / LCL / conducted disturbances / lighting equipment / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 420, EMCJ2011-117, pp. 37-40, Jan. 2012.
Paper # EMCJ2011-117 
Date of Issue 2012-01-20 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 2012-01-27 - 2012-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication, EMC, etc. 
Paper Information
Registration To EMCJ 
Conference Code 2012-01-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Conducted Disturbances Measurement by using CDNE 
Sub Title (in English) Necessity of LCL Requirements 
Keyword(1) CDNE  
Keyword(2) LCL  
Keyword(3) conducted disturbances  
Keyword(4) lighting equipment  
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1st Author's Name Norihito Hirasawa  
1st Author's Affiliation NTT (NTT)
2nd Author's Name Shin Kanno  
2nd Author's Affiliation NTT (NTT)
3rd Author's Name Yoshiharu Akiyama  
3rd Author's Affiliation NTT (NTT)
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Speaker Author-1 
Date Time 2012-01-27 11:10:00 
Presentation Time 20 minutes 
Registration for EMCJ 
Paper # EMCJ2011-117 
Volume (vol) vol.111 
Number (no) no.420 
Page pp.37-40 
#Pages
Date of Issue 2012-01-20 (EMCJ) 


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