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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2024-06-14 09:45 |
Tokyo | Hachijomachi-shoko-kai (Primary: On-site, Secondary: Online) |
Sigmoid-Function-Based Power Splitting for A 1.2 to 5.7GHz Multi-Mode Dual-Input Power Amplifier Takuma Torii, Ao Yamashita, Yuji Komatsuzaki, Shintaro Shinjo (Mitsubishi Electric) |
(To be available after the conference date) [more] | |
| MW | 2024-03-01 09:50 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
An Envelope-Tracking Amplifier with High Speed and High Efficiency Source-Floating GaN Switching Envelope Amplifier Kento Saiki, Shuichi Sakata, Yuji Komatsuzaki, Shintaro Shinjo (Mitsubishi Electric)  MW2023-188 |
This paper reports the results of an envelope amplifier with a source-floating GaN switching amplifiers and an envelope ... [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 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 0.15m 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 |
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