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Paper Abstract and Keywords
Presentation 2016-12-15 11:30
Large Signal Characteristics and Linearity Improvement for Single-GaN HEMT Dual-Band Power Amplifier in Concurrent Operation Mode
Arisu Maruyama, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-139
Abstract (in Japanese) (See Japanese page) 
(in English) Power amplifiers that enable multi-access in the microwave band have not been studied in detail so far, and the behavior of the output power and efficiency characteristics simultaneous amplification has not been clarified.
To investigate output characteristics of the dual band power amplifier in concurrent operation mode using a single GaN,HEMT , the concurrent amplification operation using the $V_{g}I_{d}$ characteristics of the FET were analyzed and the output power compression by cross modulation was expected.
The fabricated GaN,HEMT amplifier showed abnormal output versus input nonliner power response at low input power level.
A stub for short-circuiting second order intermodulation component was added to the input matching circuit and the abnormal response was improved successfully.
Keyword (in Japanese) (See Japanese page) 
(in English) Microwave / Dual-band power amplifier / Concurrent operation mode / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 363, MW2016-139, pp. 41-46, Dec. 2016.
Paper # MW2016-139 
Date of Issue 2016-12-08 (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)
Download PDF MW2016-139

Conference Information
Committee MW  
Conference Date 2016-12-15 - 2016-12-16 
Place (in Japanese) (See Japanese page) 
Place (in English) National Defense Academy 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Students Session / Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2016-12-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Large Signal Characteristics and Linearity Improvement for Single-GaN HEMT Dual-Band Power Amplifier in Concurrent Operation Mode 
Sub Title (in English)  
Keyword(1) Microwave  
Keyword(2) Dual-band power amplifier  
Keyword(3) Concurrent operation mode  
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1st Author's Name Arisu Maruyama  
1st Author's Affiliation University of Electro-Communications (UEC)
2nd Author's Name Yoichiro Takayama  
2nd Author's Affiliation University of Electro-Communications (UEC)
3rd Author's Name Ryo Ishikawa  
3rd Author's Affiliation University of Electro-Communications (UEC)
4th Author's Name Kazuhiko Honjo  
4th Author's Affiliation University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2016-12-15 11:30:00 
Presentation Time 20 minutes 
Registration for MW 
Paper # MW2016-139 
Volume (vol) vol.116 
Number (no) no.363 
Page pp.41-46 
#Pages 6 
Date of Issue 2016-12-08 (MW) 

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