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Paper Abstract and Keywords
Presentation 2022-12-07 13:50
A Study on Measurement Method for Mode Conversion of Differential Communication Line Termination Structures
Masahiro Yoshida, Yusuke Yano, Jianqing Wang (NIT), Takeshi Ishida (NoiseKen) EMCJ2022-68
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the number of systems that combine multiple electronic devices has been increasing, and the importance of electromagnetic compatibility (EMC) of the differential communications that connect electronic devices has been growing. To analyze the behavior of disturbance which influences a differential communication system, it is necessary to consider the coupling of the noise to the differential communication line and the mode conversion at the termination of UTP (Unshielded twisted pair) cable. In this study, we proposed two methods to extract the electrical characteristics of a three-conductor system including arbitrary termination structures such as the connection between the UTP cable termination and the board, and elements on the printed circuit board, by measuring three-port S-parameters using a current probe. The usefulness of the two methods was shown by experimental verification, as a result, almost the same mode conversion amount can be obtained from both methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Mode conversion / Automotive Ethernet / UTP cable / Bus interface network / Differential communication / EMC / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 296, EMCJ2022-68, pp. 29-34, Dec. 2022.
Paper # EMCJ2022-68 
Date of Issue 2022-11-30 (EMCJ) 
ISSN 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 IEE-EMC IEE-SPC  
Conference Date 2022-12-07 - 2022-12-07 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2022-12-EMCJ-EMC-SPC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Measurement Method for Mode Conversion of Differential Communication Line Termination Structures 
Sub Title (in English)  
Keyword(1) Mode conversion  
Keyword(2) Automotive Ethernet  
Keyword(3) UTP cable  
Keyword(4) Bus interface network  
Keyword(5) Differential communication  
Keyword(6) EMC  
Keyword(7)  
Keyword(8)  
1st Author's Name Masahiro Yoshida  
1st Author's Affiliation Nagoya institute of technology (NIT)
2nd Author's Name Yusuke Yano  
2nd Author's Affiliation Nagoya institute of technology (NIT)
3rd Author's Name Jianqing Wang  
3rd Author's Affiliation Nagoya institute of technology (NIT)
4th Author's Name Takeshi Ishida  
4th Author's Affiliation Noise laboratory CO., LTD. (NoiseKen)
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Speaker Author-1 
Date Time 2022-12-07 13:50:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2022-68 
Volume (vol) vol.122 
Number (no) no.296 
Page pp.29-34 
#Pages 6 
Date of Issue 2022-11-30 (EMCJ) 

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