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Paper Abstract and Keywords
Presentation 2019-09-20 14:35
[Invited Talk] Onboard GaN high-power amplifier for 50-kg-class ultra-small deep-space probe "PROCYON"
Yuta Kobayashi (JAXA), Satoshi Yoshida (Kagoshima Univ.), Shigeo Kawasaki (JAXA) MW2019-61
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, a lot of nano- or micro-satellites have been developed and utilized for various low-earth-orbit missions. PROCYON (Proximate Object Close Flyby with Optical Navigation) was the first full-scale, 50-kg-class, deep-space probe jointly developed by the University of Tokyo and the ISAS/JAXA. It was launched by H-IIA launch vehicle No. 26 as a secondary payload of the asteroid explorer Hayabusa 2 on December 3, 2014. One of the most significant technologies for realizing ultra-small deep-space probes is to achieve ultra-long-distance telecommunications. Since ultra-small probes cannot adopt telecommunication components designed for larger probes due to physical dimension, total weight, power consumption, thermal design, and production cost, a low-cost miniaturized X-band telecommunication system had to be newly developed. Especially a high-efficiency onboard high-power amplifier is of great importance to achieve high equivalent isotopically radiated power, and thus we adopted GaN and a lot of commercially-off-the shelf products. We introduce development and flight demonstration results of the fabricated amplifier and the other telecommunication components for PROCYON mission.
Keyword (in Japanese) (See Japanese page) 
(in English) PROCYON / Ultra-small deep-space probe / GaN / X-band / High-power amplifier / High-efficiency / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 204, MW2019-61, pp. 35-35, Sept. 2019.
Paper # MW2019-61 
Date of Issue 2019-09-12 (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)
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Conference Information
Committee MW AP  
Conference Date 2019-09-19 - 2019-09-20 
Place (in Japanese) (See Japanese page) 
Place (in English) JAXA (Sagamihara) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave, Millimeter wave, Antennas and Propagation 
Paper Information
Registration To MW 
Conference Code 2019-09-MW-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Onboard GaN high-power amplifier for 50-kg-class ultra-small deep-space probe "PROCYON" 
Sub Title (in English)  
Keyword(1) PROCYON  
Keyword(2) Ultra-small deep-space probe  
Keyword(3) GaN  
Keyword(4) X-band  
Keyword(5) High-power amplifier  
Keyword(6) High-efficiency  
1st Author's Name Yuta Kobayashi  
1st Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
2nd Author's Name Satoshi Yoshida  
2nd Author's Affiliation Kagoshima University (Kagoshima Univ.)
3rd Author's Name Shigeo Kawasaki  
3rd Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
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Date Time 2019-09-20 14:35:00 
Presentation Time 50 
Registration for MW 
Paper # IEICE-MW2019-61 
Volume (vol) IEICE-119 
Number (no) no.204 
Page p.35 
#Pages IEICE-1 
Date of Issue IEICE-MW-2019-09-12 

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