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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 11 of 11  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW, ED 2023-01-27
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Measurement Evaluation of Bias Dependence of Single-Input Broadband GaN Amplifier
Yuki Nakagawa, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (MELCO) ED2022-89 MW2022-148
We are researching a broadband GaN amplifier for 4G/5G base stations covering a 4GHz band from 800MHz to 4.8GHz. We aim ... [more] ED2022-89 MW2022-148
MW, ED 2023-01-27
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] Requierements for sharing type 4G/5G base station transciever amplifiers
Koji Yamanaka, Yuji Komatsuzaki, Shuichi Sakata, Kento Saiki (Mitsubishi Electric), Takana Kaho (SIT) ED2022-96 MW2022-155
In post-5G era (latter half of 2020s), mobile base-stations are assumed to be shared between mobile operators to reduce ... [more] ED2022-96 MW2022-155
Ehime The Museum of Art, EHIME
(Primary: On-site, Secondary: Online)
Examination of Wideband Measurement of Dual-input GaN Amplifier Using Vector Transceiver
Takato Suzuki, Yahiro Nanba, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (MELCO) MW2022-75
We are researching a wideband dual-input one-output GaN amplifier for base stations that covers 4G / 5G frequencies. It ... [more] MW2022-75
MW, WPT 2022-04-15
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) WPT2022-11 MW2022-11
We report a high efficiency sub-6GHz wideband Envelope-Tracking Power Amplifier (ET-PA) including an envelope amplifier ... [more] WPT2022-11 MW2022-11
ED, MW 2022-01-27
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
ED, MW 2020-01-31
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
EMCJ, MW, EST, IEE-EMC [detail] 2019-10-24
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
MWP, OPE, EMT, MW, EST, IEE-EMT [detail] 2017-07-21
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
MW 2015-05-28
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
MW, OPE, EMT, MWP, EST, IEE-EMT [detail] 2014-07-17
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
MW, OPE, EMT, MWP, EST, IEE-EMT [detail] 2014-07-17
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
 Results 1 - 11 of 11  /   
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