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Paper Abstract and Keywords
Presentation 2012-01-11 13:00
Band Broadening of Waveguide/Microstrip-line Transformer for Millimeter-wave Band
Toshitatsu Suzuki, Yozo Utsumi, Noboru Morita, Takefumi Hiraguri (Nippon Inst. of Tech.), Munehiro Yokota, Toshihisa Kamei (NDA), Kiyozumi Chino, Ikurou Aoki, Hirosuke Suzuki (KEYCOM) ED2011-123 MW2011-146
Abstract (in Japanese) (See Japanese page) 
(in English) This paper reports prototype waveguide / microstrip-line / waveguide transformers (two times transformation) for 50−75GHz (V-band) and for 75−110GHz (W-band). These transformers are based on fin-line which consists of a waveguide split at the center of the H-plane and a double-sided substrate which put between the split waveguides. Via-hole arrays are introduced into the substrate along waveguide wall in order to reduce leakage of electric field through the dielectric layer of the substrate. It is verified that trough mode causes traps in transmission, therefore a technique to remove the trough mode is newly developed. The measured transmission losses of prototype transformers are within 0.6−1.6dB for V-band and 0.7−1.6dB for W-band.
Keyword (in Japanese) (See Japanese page) 
(in English) Waveguide / Microstrip-line / Transformer / Fin-line / Via-hole / Trough mode / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 374, MW2011-146, pp. 25-30, Jan. 2012.
Paper # MW2011-146 
Date of Issue 2012-01-04 (ED, MW) 
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 ED MW  
Conference Date 2012-01-11 - 2012-01-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MW 
Conference Code 2012-01-ED-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Band Broadening of Waveguide/Microstrip-line Transformer for Millimeter-wave Band 
Sub Title (in English)  
Keyword(1) Waveguide  
Keyword(2) Microstrip-line  
Keyword(3) Transformer  
Keyword(4) Fin-line  
Keyword(5) Via-hole  
Keyword(6) Trough mode  
Keyword(7)  
Keyword(8)  
1st Author's Name Toshitatsu Suzuki  
1st Author's Affiliation Nippon Institute of Technology (Nippon Inst. of Tech.)
2nd Author's Name Yozo Utsumi  
2nd Author's Affiliation Nippon Institute of Technology (Nippon Inst. of Tech.)
3rd Author's Name Noboru Morita  
3rd Author's Affiliation Nippon Institute of Technology (Nippon Inst. of Tech.)
4th Author's Name Takefumi Hiraguri  
4th Author's Affiliation Nippon Institute of Technology (Nippon Inst. of Tech.)
5th Author's Name Munehiro Yokota  
5th Author's Affiliation National Defense Academy of Japan (NDA)
6th Author's Name Toshihisa Kamei  
6th Author's Affiliation National Defense Academy of Japan (NDA)
7th Author's Name Kiyozumi Chino  
7th Author's Affiliation KEYCOM Corporation (KEYCOM)
8th Author's Name Ikurou Aoki  
8th Author's Affiliation KEYCOM Corporation (KEYCOM)
9th Author's Name Hirosuke Suzuki  
9th Author's Affiliation KEYCOM Corporation (KEYCOM)
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Speaker Author-1 
Date Time 2012-01-11 13:00:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # ED2011-123, MW2011-146 
Volume (vol) vol.111 
Number (no) no.373(ED), no.374(MW) 
Page pp.25-30 
#Pages 6 
Date of Issue 2012-01-04 (ED, MW) 

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