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Paper Abstract and Keywords
Presentation 2013-04-12 11:05
Redection in common-mode radiation and maintenance of signal integrity by adding guard trace with periodic structure
Yuho Terai, Yoshitaka Toyota, Kengo Iokibe (Okayama Univ.), Tetsushi Watanabe (Industrial Technology Center of Okayama Prefecture) EMCJ2013-1
Abstract (in Japanese) (See Japanese page) 
(in English) The guard trace is effective as a method for suppressing common-mode generation caused by placing a signal trace close to the return edge on a printed circuit board. Our previous study on the guard trace focused only on reducing common-mode radiation, but the guard trace close to the signal line increases crosstalk to deteriorate signal integrity. In this paper, we propose a guard trace with a periodic structure for simultaneously reducing common-mode radiation and maintaining signal integrity. Several test boards with different period patterns were evaluated by measurement and simulation from the viewpoint of transmission coefficient, eye pattern, and common-mode radiation. As a result, it was found that the guard trace with the periodic structure helped reducing common-mode radiation and maintaining signal integrity. Especially, smaller period contributed to maintenance of signal integrity at higher frequencies.
Keyword (in Japanese) (See Japanese page) 
(in English) Guard trace / Common-mode radiation / Signal integrity / Periodic structure / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 2, EMCJ2013-1, pp. 1-6, April 2013.
Paper # EMCJ2013-1 
Date of Issue 2013-04-05 (EMCJ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 2013-04-12 - 2013-04-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Okayama Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) PCM,Information Security,EMC 
Paper Information
Registration To EMCJ 
Conference Code 2013-04-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Redection in common-mode radiation and maintenance of signal integrity by adding guard trace with periodic structure 
Sub Title (in English)  
Keyword(1) Guard trace  
Keyword(2) Common-mode radiation  
Keyword(3) Signal integrity  
Keyword(4) Periodic structure  
1st Author's Name Yuho Terai  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Yoshitaka Toyota  
2nd Author's Affiliation Okayama University (Okayama Univ.)
3rd Author's Name Kengo Iokibe  
3rd Author's Affiliation Okayama University (Okayama Univ.)
4th Author's Name Tetsushi Watanabe  
4th Author's Affiliation Industrial Technology Center of Okayama Prefecture (Industrial Technology Center of Okayama Prefecture)
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Speaker Author-1 
Date Time 2013-04-12 11:05:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2013-1 
Volume (vol) vol.113 
Number (no) no.2 
Page pp.1-6 
Date of Issue 2013-04-05 (EMCJ) 

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