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Paper Abstract and Keywords
Presentation 2016-04-15 14:55
Broadband Characteristics of Qusi-distributed constant Line Filter
Kouki Harada, Yusuke Ohdaira, Shigeyoshi Yoshida (NEC Tokin), Takashi Harada (TEE), Toshiro Sato (Shinshu Univ.) EMCJ2016-5
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, conducted emission resulting higher harmonic of switching frequency is increasing due to higher switching of power converter circuit. Therefore, expansion of an attenuation bandwidth of a common-mode choke coil is required. We developed the quasi-distributed constant line filter which has a wideband attenuation characteristic. To improve an attenuation bandwidth at low frequency, high permeability magnetic core was used. The characteristic grounding terminal which can produce a quasi-distributed constant line at windings was attached to improve an attenuation bandwidth at high frequency. The attenuation band over 40 dB could be expanded from 200 kHz – 3 MHz to 80 kHz – 17 MHz by optimizing a ratio of grounding capacitance to parasitic capacitance of windings.
Keyword (in Japanese) (See Japanese page) 
(in English) Line filter / Common-mode / Wideband / Conducted emission / Attenuation bandwidth / Distributed constant line / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 4, EMCJ2016-5, pp. 23-27, April 2016.
Paper # EMCJ2016-5 
Date of Issue 2016-04-08 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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 2016-04-15 - 2016-04-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) EMC 
Paper Information
Registration To EMCJ 
Conference Code 2016-04-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Broadband Characteristics of Qusi-distributed constant Line Filter 
Sub Title (in English)  
Keyword(1) Line filter  
Keyword(2) Common-mode  
Keyword(3) Wideband  
Keyword(4) Conducted emission  
Keyword(5) Attenuation bandwidth  
Keyword(6) Distributed constant line  
Keyword(7)  
Keyword(8)  
1st Author's Name Kouki Harada  
1st Author's Affiliation NEC/Tokin (NEC Tokin)
2nd Author's Name Yusuke Ohdaira  
2nd Author's Affiliation NEC/Tokin (NEC Tokin)
3rd Author's Name Shigeyoshi Yoshida  
3rd Author's Affiliation NEC/Tokin (NEC Tokin)
4th Author's Name Takashi Harada  
4th Author's Affiliation Tokin EMC Engineering (TEE)
5th Author's Name Toshiro Sato  
5th Author's Affiliation Shinshu University (Shinshu Univ.)
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Speaker Author-1 
Date Time 2016-04-15 14:55:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2016-5 
Volume (vol) vol.116 
Number (no) no.4 
Page pp.23-27 
#Pages 5 
Date of Issue 2016-04-08 (EMCJ) 

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