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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 8 of 8  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW, WPT 2022-04-15
15:40
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] A High Efficiency 3.6-4.0 GHz Envelope-Tracking Power Amplifier Using GaN Soft-Switching Buck-Converter
Yuji Komatsuzaki (Mitsubishi Electric), Sandro Lanfranco, Tapio Kolmonen, Olli Piirainen, Jarno K. Tanskanen (Nokia Bell Labs), Shuichi Sakata (Mitsubishi Electric), Rui Ma (MERL), Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric), Peter Asbeck (UCSD)
We report a high efficiency sub-6GHz wideband Envelope-Tracking Power Amplifier (ET-PA) including an envelope amplifier ... [more] WPT2022-11 MW2022-11
pp.40-45
ED, MW 2022-01-27
16:05
Online Online [Invited Talk] Wideband Load Modulated GaN Power Amplifiers for Wireless Base-Stations
Shuichi Sakata, Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka, Masaomi Tsuru (Mitsubishi Electric) ED2021-68 MW2021-110
Recently, 5G commercial services which have features of high speed, large capacity and multi-connectivity have rolled ou... [more] ED2021-68 MW2021-110
pp.32-37
ED, MW 2020-01-31
13:10
Tokyo Kikai-Shinko-Kaikan Bldg. [Special Talk] Briefing Report on European Microwave Week 2019
Masatake Hangai (Mitsubishi Electric Co.), Kenjiro Nishikawa (Kagoshima Univ.), Kenji Mukai (Murata Manufacturing Co.), Motomi Abe, Yusuke Kitsukawa, Ryota Komaru, Shuichi Sakata, Jun Kamioka, Shinya Yokomizo (Mitsubishi Electric Co.) ED2019-99 MW2019-133
The European Microwave Week 2019, comprising the European Microwave Conference (EuMC), European Integrated Circuits Conf... [more] ED2019-99 MW2019-133
pp.29-34
EMCJ, MW, EST, IEE-EMC [detail] 2019-10-24
10:55
Miyagi Tohoku Gakuin University(Conf. Room 2, Eng. Bldg. 1) Efficiency Enhancement of GaN Doherty Power Amplifier at Large Power Back-Off with Virtual Short Stub Technique
Satoru Honda, Shuichi Sakata, Yuji Komatsuzaki, Shintaro Shinjo (Mitsubishi Electric) EMCJ2019-40 MW2019-69 EST2019-48
We propose a new efficiency enhancement technique of Doherty power amplifiers (DPAs) using virtual short stub. In this t... [more] EMCJ2019-40 MW2019-69 EST2019-48
pp.21-25
MWP, OPE, EMT, MW, EST, IEE-EMT [detail] 2017-07-21
11:00
Hokkaido Obihiro Chamber of Commerce and Industry An 80MHz Modulation Bandwidth High Efficiency Multi-band Envelope-Tracking Power Amplifier Using GaN Single-Phase Buck-Converter
Shuichi Sakata (Mitsubishi Electric), Sandro Lanfranco, Tapio Kolmonen, Olli Piirainen (Nokia Bell Labs), Takanobu Fujiwara, Shintaro Shinjo (Mitsubishi Electric), Peter Asbeck (Univ. of California, San Diego) EMT2017-31 MW2017-56 OPE2017-36 EST2017-33 MWP2017-33
We report a high efficiency multi-band Envelope-Tracking Power Amplifier (ET-PA) that supports modulation bandwidth up t... [more] EMT2017-31 MW2017-56 OPE2017-36 EST2017-33 MWP2017-33
pp.133-138
MW 2015-05-28
13:50
Tokyo The Univ. of Electro-Commun. Large Signal Modeling of GaN-on-Si Transistor for Microwave Heating
Christer M. Andersson, Yutaro Yamaguchi, Kazuhiro Iyomasa, Yoshifumi Kawamura, Shuichi Sakata, Koji Yamanaka, Hiroshi Fukumoto (Mitsubishi Electric) MW2015-21
In this paper, the large signal model of a GaN-on-Si transistor to be employed in microwave heating systems is reported.... [more] MW2015-21
pp.1-5
MW, OPE, EMT, MWP, EST, IEE-EMT [detail] 2014-07-17
10:00
Hokkaido Muroran Inst. of Tech. C-Ku Band Ultra Broadband High Power Reactive Matching MMIC Amplifier using Broadband Interstage Matching Network
Shuichi Sakata, Eigo Kuwata, Koji Yamanaka, Tasuku Kirikoshi, Hidetoshi Koyama, Yoshitaka Kamo, Hiroshi Fukumoto (Mitsubishi Electric) MW2014-53 OPE2014-22 EST2014-14 MWP2014-11
This paper reports on a Gallium Nitride High Electron Mobility Transistor (GaN HEMT) Monolithic Microwave Integrated Cir... [more] MW2014-53 OPE2014-22 EST2014-14 MWP2014-11
pp.1-5
MW, OPE, EMT, MWP, EST, IEE-EMT [detail] 2014-07-17
10:25
Hokkaido Muroran Inst. of Tech. X Band High Power and High Efficiency Amplifier with 2nd Harmoics rejection circuits
Eigo Kuwata, Koji Yamanaka, Shuichi Sakata, Hidetoshi Koyama, Yoshitaka Kamo, Akihiro Ando, Kazuhiko Nakahara, Hiroshi Fukumoto (Mitsubishi Electric) MW2014-54 OPE2014-23 EST2014-15 MWP2014-12
 [more] MW2014-54 OPE2014-23 EST2014-15 MWP2014-12
pp.7-10
 Results 1 - 8 of 8  /   
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