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Paper Abstract and Keywords
Presentation 2007-09-21 10:35
Two-port S-parameter Measurement Method for Circuits without Common Ground
Yoshihiro Funato, Osami Wada, Unberto Paoletti, Takashi Hisakado (Kyoto Univ.) EMCJ2007-43
Abstract (in Japanese) (See Japanese page) 
(in English) An S-parameter measurement method is proposed for a two-port circuit without common ground (GND), which keeps GND terminals of the DUT in floating condition and S-parameters are measured using a network analyzer and an active differential probe. This method is applied to a printed circuit board (PCB) with known passive components and two RF-connector ports whose GND pads are not directly connected to a common GND on the PCB. Calculated S-parameters are compared with results of the conventional two-port measurement connecting the PCB directly to two coaxial cables. The generated common-mode current affects the measurement, so it is suppressed with ferrite cores. Some differences between the measurement results of proposed and conventional methods are pointed out.
Keyword (in Japanese) (See Japanese page) 
(in English) circuit without common ground / S-parameter measurement method / active differential probe / two-port network / common mode / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 226, EMCJ2007-43, pp. 1-6, Sept. 2007.
Paper # EMCJ2007-43 
Date of Issue 2007-09-14 (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 2007-09-21 - 2007-09-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Doshisha University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2007-09-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Two-port S-parameter Measurement Method for Circuits without Common Ground 
Sub Title (in English)  
Keyword(1) circuit without common ground  
Keyword(2) S-parameter measurement method  
Keyword(3) active differential probe  
Keyword(4) two-port network  
Keyword(5) common mode  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yoshihiro Funato  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Osami Wada  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Unberto Paoletti  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Takashi Hisakado  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2007-09-21 10:35:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2007-43 
Volume (vol) vol.107 
Number (no) no.226 
Page pp.1-6 
#Pages 6 
Date of Issue 2007-09-14 (EMCJ) 

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