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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 48  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW 2024-03-01
09:50
Okayama Okayama Prefectural University
(Primary: On-site, Secondary: Online)
Envelope-Tracking Amplifier with Source-Floating GaN Switching Envelope Amplifier
Kento Saiki, Shuichi Sakata, Yuji Komatsuzaki, Shintaro Shinjo (Mitsubishi Electric) MW2023-188
 [more] MW2023-188
pp.70-73
ED, MW 2024-01-25
14:50
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Study on Traps in GaN HEMTs using Low-frequency Y11 and Y22 Parameters
Toshiyuki Oishi, Shiori Takada (Saga Univ.), Ken Kudara, Yutaro Yamaguchi, Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric Corp.) ED2023-67 MW2023-159
 [more] ED2023-67 MW2023-159
pp.7-10
ED, MWPTHz 2023-12-22
13:40
Miyagi RIEC, Tohoku Univ.
(Primary: On-site, Secondary: Online)
[Invited Talk] Device Modeling Techniques for Millimeter-wave Band GaN Amplifiers
Yutaro Yamaguchi, Shintaro Shinjo (Mitsubishi Electric), Yasuyuki Miyamoto (Titech) ED2023-62 MWPTHz2023-72
 [more] ED2023-62 MWPTHz2023-72
pp.40-45
MW 2023-11-16
13:25
Okinawa Nago City Industrial Support Center (Okinawa)
(Primary: On-site, Secondary: Online)
Riemann Pump RF-Power DAC with Novel GaN HEMT Cell Utilizing Charge Reuse Transistor Control Mechanism
Yuta Fuchibe, Shuichi Sakata, Yuji Komatsuzaki, Shintaro Shinjo (Mitsubishi Electric Corp) MW2023-129
We propose a new circuit topology for multi-bit Riemann Pump (RP) digital-to-analog converters (DACs). The RP-DAC is a D... [more] MW2023-129
pp.19-22
MW 2023-11-17
12:30
Okinawa Nago City Industrial Support Center (Okinawa)
(Primary: On-site, Secondary: Online)
A Distributed Model with a High Scaling Accuracy for Sub-THz band GaN-HEMTs
Yutaro Yamaguchi, Ken Kudara, Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric Corp.), Yasuyuki Miyamoto (Titech) MW2023-142
 [more] MW2023-142
pp.87-91
MW, AP
(Joint)
2023-09-28
10:10
Kochi Kochi Castle Museum of History
(Primary: On-site, Secondary: Online)
C-Ku-band GaN MMIC Low Noise Amplifier Using Frequency Selective Parallel Feedback Circuit
Ken Kudara, Jun Kamioka, Eigo Kuwata, Yutaro Yamaguchi, Yoshitaka Kamo, Shintaro Shinjo (Mitsubishi Electric) MW2023-81
This paper represents a C-Ku band GaN MMIC low noise amplifier (LNA) for a transmitter and receiver module. In order to ... [more] MW2023-81
pp.7-10
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-20
13:00
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
An Arbitrary Order IMD Suppression Method for Dual-Input Power Amplifiers by Controlling the Phase Differences of Dual-Band Signals
Marie Taguchi, Yuji Komatsuzaki, Kigo Nakatani, Shintaro Shinjo (MELCO) EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24
In recent years, the 5G base station covering dual-band modulated signals are being developed. We propose an arbitrary o... [more] EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24
pp.106-110
SANE 2023-05-23
10:10
Kanagawa Information Technology R & D Center, MITSUBISHI Electric Corp.
(Primary: On-site, Secondary: Online)
Broadband High Power, High Efficiency Microwave Amplifiers Enabled by GaN HEMT
Eigo Kuwata, Jun Kamioka, Shintaro Shinjo, Koji Yamanaka (MELCO) SANE2023-3
Semiconductors are increasingly replacing electron tubes in microwave transmitters used for observation, communication a... [more] SANE2023-3
pp.12-17
MW, ED 2023-01-27
11:25
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Over 670 W output X-band IMFET Using non-Uniform Comb Lines for Stabilization
Eigo Kuwata, Takumi Sugitani, Takashi Yamasaki, Yoshitaka Kamo, Shintaro Shinjo (MELCO) ED2022-90 MW2022-149
 [more] ED2022-90 MW2022-149
pp.25-28
MW, ED 2023-01-27
12:50
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Effects of GaN traps in GaN HEMTs to Low Frequency Y22 Parameters -- Device Simulation Study --
Shogo Morokuma (Saga Univ.), Tomohiro Otsuka (Mitsubishi Electric), Toshiyuki Oishi (Saga Univ.), Yutaro Yamaguchi, Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric) ED2022-91 MW2022-150
GaN HEMTs are used in high frequency and power electronics applications. Advanced systems demand improvement of characte... [more] ED2022-91 MW2022-150
pp.29-32
CPM, ED, LQE 2022-11-24
14:35
Aichi Winc Aichi (Aichi Industry & Labor Center)
(Primary: On-site, Secondary: Online)
Evaluation of Fe Induced Trap in GaN HEMTs using Low-Frequency Y22 Measurement
Taiki Nishida, Toshiyuki Oishi (Saga Univ.), Tomohiro Otsuka, Yutaro Yamaguchi, Shintaro Shinjo, Koji Yamanaka (Mitsubishi Elec. Corp.) ED2022-34 CPM2022-59 LQE2022-67
One issue in improving amplifier performance using GaN is evaluating the characteristics of traps. In this study, we eva... [more] ED2022-34 CPM2022-59 LQE2022-67
pp.49-52
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
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