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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 37  /  [Next]  
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) 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
pp.40-45
ED, MW 2020-01-31
15:35
Tokyo Kikai-Shinko-Kaikan Bldg. Analysis of Self-heating Effect of GaN HEMTs with Buffer Traps by Low Frequency S-parameters Measurements and TCAD Simulation
Tomohiro Otsuka, Yutaro Yamaguchi, Shintaro Shinjo (Mitsubishi Electric), Toshiyuki Oishi (Saga Univ.) ED2019-103 MW2019-137
 [more] ED2019-103 MW2019-137
p.53
MW 2019-11-14
14:45
Okinawa Minami Daido Villa. Tamokuteki Koryu Center A Sturdy about Efficient Design and Optimization of Bias Condition for K-Band GaN Power Amplifier
Takuma Torii, Masatake Hangai, Ryuji Inagaki, Shintaro Shinjo (Mitsubishi Electric) MW2019-104
Power Amplifier is required to have both high efficiency and linearity in satellite communication. This paper presents t... [more] MW2019-104
pp.25-28
MW 2019-11-14
15:10
Okinawa Minami Daido Villa. Tamokuteki Koryu Center A Ka-Band CW 15.5W 15.6% Fractional Bandwidth GaN Power Amplifier MMIC Using Wideband BPF Inter-stage Matching Network
Keigo Nakatani, Yutaro Yamaguchi, Masatake Hangai, Shintaro Shinjo (MitsubishiElectric) MW2019-105
This paper has reported a Ka-band 15.5W power amplifier Monolithic Microwave Integrated Circuit (MMIC) using 0.15m Gall... [more] MW2019-105
pp.29-34
MW 2019-11-14
16:40
Okinawa Minami Daido Villa. Tamokuteki Koryu Center 2.5-10 GHz GaN MMIC HPA utilizing distributed amplifier with band-pass filter configuration
Jun Kamioka, Masatake Hangai, Shinichi Miwa, Yoshitaka Kamo, Shintaro Shinjo (Mitsubishi Electric) MW2019-108
2.5-10 GHz GaN MMIC HPA utilizing distributed amplifier with band-pass filter configuration and its design method are re... [more] MW2019-108
pp.47-51
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
MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] 2019-07-18
17:05
Hokkaido Hakodate City Central Library Study on Broadband All-Pass Networks Phase-Shifter MMIC
Ryota Komaru, Masatake Hangai, Shinichi Miwa, Yoshihiro Tsukahara, Shintaro Shinjo (Mitsubishi Electric) EMT2019-19 MW2019-32 OPE2019-23 EST2019-21 MWP2019-19
An ultra broadband MMIC phase shifter has been developed. The phase shifter based on series all-pass networks and more s... [more] EMT2019-19 MW2019-32 OPE2019-23 EST2019-21 MWP2019-19
pp.81-84
AP 2019-02-22
13:00
Osaka Sumitomo Electric Industries (Osaka Works) [Invited Lecture] Development of High SHF Wide-band Massive MIMO Antenna RF Frontend Module in 5G
Hikaru Watanabe, Satoshi Yamaguchi, Hideki Morishige, Yasuo Morimoto, Nakamizo Hideyuki, Koji Tsutsumi, shintaro Shinjo, Akihiro Okazaki, Tasuku Kuriyama, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric) AP2018-180
In the 5th generation mobile communication system, high system capacity, low latency and massive connection will be prov... [more] AP2018-180
pp.59-64
MW 2018-11-15
10:50
Nagasaki Fukue Cultural Hall A Ka-Band High Efficiency Doherty Power Amplifier MMIC using GaN-HEMT for 5G Application
Keigo Nakatani, Yutaro Yamaguchi, Yuji Komatsuzaki, Shintaro Shinjo (Mitsubishi Electric) MW2018-94
 [more] MW2018-94
pp.13-18
MW 2018-11-15
11:15
Nagasaki Fukue Cultural Hall Low distortion GaN Power Amplifier with adaptive gate bias control
Takuma Torii, Masatake Hangai, Ryuji Inagaki, Shintaro Shinjo (Mitsubishi electric) MW2018-95
In order to expand communication capability, high PAPR (Peak to Average Power Ratio) signal is used. Therefore power amp... [more] MW2018-95
pp.19-23
EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] 2018-07-19
15:00
Hokkaido   A 26-W X-band high efficiency GaN MMIC power amplifier with compact spurious suppression filters
Jun Kamioka, Eigo Kuwata, Kazuhiko Nakahara, Yoshitaka Kamo, Masatake Hangai, Shintaro Shinjo (Mitsubishi Electric) EMT2018-29 MW2018-44 OPE2018-32 EST2018-27 MWP2018-28
A 26-W X-band high efficiency GaN MMIC power amplifier with compact spurious suppression filters is presented. GaN MMIC ... [more] EMT2018-29 MW2018-44 OPE2018-32 EST2018-27 MWP2018-28
pp.119-124
EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] 2018-07-19
15:25
Hokkaido   A Ka-band GaN Large-Signal Model Considering Trap Effect on Non-linear Capacitance by Using Transient S-parameters Measurement
Yutaro Yamaguchi, Tomohiro Otsuka, Masatake Hangai, Shintaro Shinjo (Mitsubishi Electric Corp.), Toshiyuki Oishi (Saga Univ.) EMT2018-30 MW2018-45 OPE2018-33 EST2018-28 MWP2018-29
 [more] EMT2018-30 MW2018-45 OPE2018-33 EST2018-28 MWP2018-29
pp.125-130
EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] 2018-07-20
13:00
Hokkaido   2.45 GHz ISM-Band 450W High Efficiency GaN Pallet Amplifier for Microwave Heating
Takumi Sugitani, Kazuhiro Iyomasa, Masatake Hangai, Yoshifumi Kawamura, Jun Nishihara, Shintaro Shinjo (Mitsubishi Electric Corp.) EMT2018-39 MW2018-54 OPE2018-42 EST2018-37 MWP2018-38
In this paper, 2.45 GHz ISM-Band high power high efficiency GaN pallet amplifier for Microwave Heating is presented. To ... [more] EMT2018-39 MW2018-54 OPE2018-42 EST2018-37 MWP2018-38
pp.175-178
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, ED 2017-01-27
13:00
Tokyo Kikai-Shinko-Kaikan Bldg. Physical model of GaN HEMT on Si including temperature dependence of RF leakage current in substrates
Yutaro Yamaguchi, Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric corp.), Toshiyuki Oishi (Saga univ.) ED2016-107 MW2016-183
 [more] ED2016-107 MW2016-183
pp.57-62
MW 2016-11-17
14:30
Saga Saga Univ. Semi-Physical Large Signal Model of GaN HEMTs on Si considering temperature dependence of RF leakage current in Substrates
Yutaro Yamaguchi, Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric Corp.), Toshiyuki Oishi (Saga Univ.) MW2016-122
In this paper, semi-physical large signal model of GaN HEMTs on Si (GaN-on-Si) considering temperature dependence of RF ... [more] MW2016-122
pp.33-38
RCS 2016-10-21
13:30
Kanagawa YRP (Yokosuka) [Invited Lecture] R&D Activities for High SHF Wide-band Massive MIMO in 5G
Akihiro Okazaki, Satoshi Yamaguchi, Koji Tsutsumi, Shintaro Shinjo, Hiroshi Nishimoto, Noriyuki Fukui, Shigeru Uchida, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2016-185
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2016-185
pp.179-184
EMCJ, IEE-EMC, MW, EST [detail] 2016-10-20
11:20
Miyagi Tohoku Univ. An RF Frontend Amplifier Module for High SHF Wide-band Massive MIMO in 5G
Keigo Nakatani, Shintaro Shinjo, Yuji Komatsuzaki, Jun Kamioka, Ryota Komaru, Hideyuki Nakamizo, Miyawaki Katsumi, Koji Yamanaka (Mitsubishi Electric) EMCJ2016-64 MW2016-96 EST2016-60
A highly integrated RF frontend module including a three-stage power amplifier (PA), a two-stage low noise amplifier (LN... [more] EMCJ2016-64 MW2016-96 EST2016-60
pp.25-30
MW 2015-12-17
10:00
Tokyo Tokyo Univ. of Science GaN Voltage-Mode Class D Power Amplifier Using Bootstrap Driver
Hideyuki Nakamizo, Kenji Mukai, Shintaro Shinjo (Mitsubishi Electric Corporation), Peter Asbeck (UCSD) MW2015-133
We report a GaN Voltage-Mode Class D power amplifier designed for use at 465 MHz of LTE Band 31. The amplifier is fabric... [more] MW2015-133
pp.1-5
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] 2015-07-17
13:25
Hokkaido Kushiro City Lifelong Learning Center Dynamic AM/AM and AM/PM control of Doherty amplifier using tanh-shaped function
Yuji Komatsuzaki, Hiroshi Otsuka, Hifumi Noto, Shintaro Shinjo, Koji Yamanaka, Yoshihiro Hamamatsu, Hiroshi Fukumoto (Mitsubishi Electric Corp.) EMT2015-47 MW2015-85 OPE2015-59 EST2015-51 MWP2015-50
Power amplifiers for communication systems require increasingly high efficiency at large back-off from saturated output ... [more] EMT2015-47 MW2015-85 OPE2015-59 EST2015-51 MWP2015-50
pp.227-232
 Results 1 - 20 of 37  /  [Next]  
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