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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 16:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A GaN Power Amplifier Module for 5G Massive MIMO Base-station Applications Satoru Honda, Akio Matsushita, Eri Teranishi, katsuya Kato, Shuichi Sakata, kazuya Yamamoto, Tetsuo Kunii (Mitsubishi Electric) ED2023-70 MW2023-162 |
This report describes a 16W-class GaN power amplifier module prototyped for 5G Massive-MIMO base-station applications. T... [more] | ED2023-70 MW2023-162 pp.19-22 |
| 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 | 2023-11-16 13:50 |
Okinawa | Nago City Industrial Support Center (Okinawa) (Primary: On-site, Secondary: Online) |
A 45nm SOI-CMOS Puls-Width-Controlled Driver Circuit with 4.3Vpp Output Voltage for High-Speed Switch-Mode GaN Envelope Amplifiers Shinji Takezoe, Yoshiaki Morino, Shuichi Sakata, Wataru Yamamoto, Kento Saiki, Hirai Akihito (Mitsubishi Electric) MW2023-130 |
[more] | MW2023-130 pp.23-26 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2023-10-20 09:40 |
Yamagata | Yamagata University (Primary: On-site, Secondary: Online) |
Evaluation of DPD Compensation and Modulation Bandwidth Dependence of GaN Doherty Amplifier Using 5G NR TDD Signals Ayano Yano, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (Mitsubishi Electric) EMCJ2023-58 MW2023-112 EST2023-85 |
We are researching broadband GaN amplifiers for base stations covering 4G/5G frequencies. We built a measurement system ... [more] | EMCJ2023-58 MW2023-112 EST2023-85 pp.119-124 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2023-10-20 10:00 |
Yamagata | Yamagata University (Primary: On-site, Secondary: Online) |
Study on Efficiency Improvement of Dual-Input GaN Amplifier as Outphasing Amplifier Shinro Yatsuda, Rikito Matsuo, Takana Kaho (Shonan Inst.Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (Mitsubishi Electric) EMCJ2023-59 MW2023-113 EST2023-86 |
We are developing a base station amplifier that covers a wide frequency range of 4G/5G by switching the Doherty and outp... [more] | EMCJ2023-59 MW2023-113 EST2023-86 pp.125-130 |
| MW, ED | 2023-01-27 11:00 |
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 pp.19-24 |
| MW, ED | 2023-01-27 15:25 |
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 p.50 |
| AP, MW (Joint) |
2022-09-15 11:35 |
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 pp.36-41 |
| 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 | 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 |
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