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Paper Abstract and Keywords
Presentation 2015-09-17 14:55
[Fellow Memorial Lecture] Linear Passive Reciprocal Two-Port Systems as Viewed from kQ Product Perspective
Takashi Ohira (Toyohashi Univ Tech) MW2015-92 Link to ES Tech. Rep. Archives: MW2015-92
Abstract (in Japanese) (See Japanese page) 
(in English) Two-port systems are often evaluated in terms of S parameters. They well express the system's transfer function, but depend on the measurement instrument reference impedance. We need an invariant pilotage for performance estimation. This paper presents kQ product concept for linear passive reciprocal two-port systems. Two simple examples are given, i.e., capacitor network and transformer. We introduce coupling coefficient k and two-port Q factor for performance indices. They are taken into account to define kQ product as unified figure of merit. Finally shown is a versatile formula to predict kQ product from S or Z parameters of the system.
Keyword (in Japanese) (See Japanese page) 
(in English) kQ product / coupling coefficient / Q factor / impedance matrix / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 227, MW2015-92, pp. 29-30, Sept. 2015.
Paper # MW2015-92 
Date of Issue 2015-09-10 (MW) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MW2015-92 Link to ES Tech. Rep. Archives: MW2015-92

Conference Information
Committee MW AP  
Conference Date 2015-09-17 - 2015-09-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Oyama National College of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave and Millimeter-wave 
Paper Information
Registration To MW 
Conference Code 2015-09-MW-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Linear Passive Reciprocal Two-Port Systems as Viewed from kQ Product Perspective 
Sub Title (in English)  
Keyword(1) kQ product  
Keyword(2) coupling coefficient  
Keyword(3) Q factor  
Keyword(4) impedance matrix  
1st Author's Name Takashi Ohira  
1st Author's Affiliation Toyohashi University of Technology (Toyohashi Univ Tech)
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Date Time 2015-09-17 14:55:00 
Presentation Time 50 
Registration for MW 
Paper # IEICE-MW2015-92 
Volume (vol) IEICE-115 
Number (no) no.227 
Page pp.29-30 
#Pages IEICE-2 
Date of Issue IEICE-MW-2015-09-10 

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