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Paper Abstract and Keywords
Presentation 2014-11-20 13:50
Optimization of two-cell distributed power amplifiers
Christer Andersson, Eigo Kuwata, Koji Yamanaka (Mitsubishi Electric) MW2014-130 Link to ES Tech. Rep. Archives: MW2014-130
Abstract (in Japanese) (See Japanese page) 
(in English) A multi-harmonic numerical calculation method is employed to optimize two-cell distributed PAs with two independent RF inputs. It is shown ideally that wideband high efficiency operation (in the 70%-range) over more than 100% fractional bandwidth is possible in this setup. To reduce circuit complexity the functionality of the two inputs is reproduced by a passive single input network. In nonlinear circuit simulation, using proper GaN transistor models, the implementation achieves 48 dBm of output power at 63 – 75% drain efficiency from 1.5 – 4.5 GHz.
Keyword (in Japanese) (See Japanese page) 
(in English) Numerical calculation / Nonlinear simulation / Wideband / GaN / High efficiency / Distributed / Power amplifier /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 318, MW2014-130, pp. 37-41, Nov. 2014.
Paper # MW2014-130 
Date of Issue 2014-11-13 (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 MW2014-130 Link to ES Tech. Rep. Archives: MW2014-130

Conference Information
Committee MW  
Conference Date 2014-11-20 - 2014-11-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2014-11-MW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optimization of two-cell distributed power amplifiers 
Sub Title (in English)  
Keyword(1) Numerical calculation  
Keyword(2) Nonlinear simulation  
Keyword(3) Wideband  
Keyword(4) GaN  
Keyword(5) High efficiency  
Keyword(6) Distributed  
Keyword(7) Power amplifier  
Keyword(8)  
1st Author's Name Christer Andersson  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
2nd Author's Name Eigo Kuwata  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
3rd Author's Name Koji Yamanaka  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Speaker Author-1 
Date Time 2014-11-20 13:50:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2014-130 
Volume (vol) vol.114 
Number (no) no.318 
Page pp.37-41 
#Pages
Date of Issue 2014-11-13 (MW) 


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