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Paper Abstract and Keywords
Presentation 2018-12-14 10:10
Design of Broadband Branch-Line Coupler with Loose Coupling Utilizing Coupled-Transmission Lines at Ka-Band
Yuya Haoka, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2018-129 Link to ES Tech. Rep. Archives: MW2018-129
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes broadband branch-line couplers (BLCs) with arbitrary power split ratios at Ka-band. The coupler has open-/short-circuited coupled transmission lines as external matching networks and a pair of branch-lines. Electromagnetic simulation for designed broadband couplers with coupling factors of -20 and -30 dBs based on the equivalent admittance approach are carried out to verify the band-broadening design method.
Keyword (in Japanese) (See Japanese page) 
(in English) microwave passive component / branch-line coupler / broadband matching / coupled-transmission lines / Ka-band / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 361, MW2018-129, pp. 87-91, Dec. 2018.
Paper # MW2018-129 
Date of Issue 2018-12-06 (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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MW2018-129 Link to ES Tech. Rep. Archives: MW2018-129

Conference Information
Committee MW  
Conference Date 2018-12-13 - 2018-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanagawa Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MW 
Conference Code 2018-12-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of Broadband Branch-Line Coupler with Loose Coupling Utilizing Coupled-Transmission Lines at Ka-Band 
Sub Title (in English)  
Keyword(1) microwave passive component  
Keyword(2) branch-line coupler  
Keyword(3) broadband matching  
Keyword(4) coupled-transmission lines  
Keyword(5) Ka-band  
1st Author's Name Yuya Haoka  
1st Author's Affiliation University of Hyogo (Univ. of Hyogo)
2nd Author's Name Tadashi Kawai  
2nd Author's Affiliation University of Hyogo (Univ. of Hyogo)
3rd Author's Name Akira Enokihara  
3rd Author's Affiliation University of Hyogo (Univ. of Hyogo)
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Speaker Author-1 
Date Time 2018-12-14 10:10:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2018-129 
Volume (vol) vol.118 
Number (no) no.361 
Page pp.87-91 
Date of Issue 2018-12-06 (MW) 

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