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Paper Abstract and Keywords
Presentation 2008-03-07 14:20
On Effect of a Relationship between Connector Contact Points and Noise Radiation on a Coaxial Transmission Line
Takashi Kurumada, Yu-ichi Hayashi, Hideaki Sone (Tohoku Univ.) EMD2007-129
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we adopted the“ Contact Failure Model, ”which explains contact failures due to faulty transmission line connectors, to measure the common-mode (CM) current, one of the factors causing noise radiation, for two independent experiments. The first experiment was carried out by gradually increasing the contact resistance; while in the second experiment, we gradually decreased the contact points. Both experiments were performed within the uplink bandwidth of CATV Internet. From the results of our experiments, we found out that the relationship between contact resistance and CM current does not depend on frequency, and by analyzing the output from a unit frequency within the uplink bandwidth of CATV, we understood that we might be able to predict the state of a faulty part causing contact failure. We also show that it is necessary for the contact failure model to consider at least four contact points in order to limit noise radiation.
Keyword (in Japanese) (See Japanese page) 
(in English) CATV Internet / transmission line / contact failure / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 534, EMD2007-129, pp. 21-24, March 2008.
Paper # EMD2007-129 
Date of Issue 2008-02-29 (EMD) 
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)
Download PDF EMD2007-129

Conference Information
Committee EMD  
Conference Date 2008-03-07 - 2008-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMD 
Conference Code 2008-03-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On Effect of a Relationship between Connector Contact Points and Noise Radiation on a Coaxial Transmission Line 
Sub Title (in English)  
Keyword(1) CATV Internet  
Keyword(2) transmission line  
Keyword(3) contact failure  
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1st Author's Name Takashi Kurumada  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Yu-ichi Hayashi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Hideaki Sone  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2008-03-07 14:20:00 
Presentation Time 15 minutes 
Registration for EMD 
Paper # EMD2007-129 
Volume (vol) vol.107 
Number (no) no.534 
Page pp.21-24 
#Pages 4 
Date of Issue 2008-02-29 (EMD) 

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