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All Technical Committee Conferences (All Years)
| 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) |
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 |
| MW | 2022-03-03 14:25 |
Online | Online | Examination of Measurement Evaluation System of 2-input GaN Amplifier Using Vector Transceiver Haruki Mori, Takato Suzuki, Takana Kaho (Shonan Inst. Tech.), Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka (Mitsubishi Electric) |
[more] | MW2021-122 pp.63-68 |
| 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 |
| MW | 2021-12-16 14:50 |
Kanagawa | Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
Evaluation of distortion compensation characteristics of wideband GaN amplifier with multi-carrier input Haruki Mori, Kouki Hattori, Takana Kaho (Shonan Inst. Tech.), Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka (Mitsubishi Electric) MW2021-91 |
[more] | MW2021-91 pp.37-42 |
| ED, MW | 2018-01-26 09:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | UHF-C Band Broadband Power Amplifier with Series Connected SiGe HBT and GaN HEMT Eigo Kuwata, Kengo Kawasaki, Daisuke Tsunami, Kazuhiro Maeda, Koji Yamanaka (MELCO) ED2017-98 MW2017-167 |
This paper reports on a multi chips amplifier consists of Gallium Nitride High Electron Mobility Transistor (GaN HEMT) a... [more] | ED2017-98 MW2017-167 pp.25-29 |
| MW | 2017-11-09 14:20 |
Okinawa | Miyakojima Marin Terminal Bldg. | A 30-W class X-band GaN-on-Si MMIC Power Amplifier with a GaAs MMIC Output Matching Circuit Jun Kamioka, Yoshifumi Kawamura, Kazuhiko Nakahara, Hiroyuki Okazaki, Masatake Hangai, Koji Yamanaka (Mitsubishi Electric Corporation) MW2017-122 |
[more] | MW2017-122 pp.57-60 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-20 11:05 |
Akita | Yupopo | 5.8GHz High Efficiency GaN Amplifier for Practical Use of Microwave Power Transfer Koji Yamanaka, Kazuhiro Iyomasa, Masatake Hangai, Hiromitsu Utsumi, Jun Nishihara, Yukihiro Homma (Mitsubishi Electric), Kenji Sakaki (J-SS) EMCJ2017-47 MW2017-99 EST2017-62 |
In this paper, a state-of-the-art high power and high efficiency GaN HEMT amplifier, which is to be used in 5.8GHz micro... [more] | EMCJ2017-47 MW2017-99 EST2017-62 pp.117-122 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-20 16:40 |
Akita | Yupopo | Demonstration of Uniform Heating Distribution Control for Microwave Heating Small Reactor with Solid-State Oscillators Kazuhiro Iyomasa, Yoshifumi Kawamura, Ryota Komaru, Yutaro Yamaguchi, Keigo Nakatani, Takeshi Shiode, Koji Yamanaka, Kazutomi Mori, Hiroshi Fukumoto (Melco) EMCJ2017-58 MW2017-110 EST2017-73 |
(To be available after the conference date) [more] | EMCJ2017-58 MW2017-110 EST2017-73 pp.171-175 |
| AP, MW (Joint) |
2017-09-22 14:25 |
Saitama | Saitama University | 20W Output Power C-X Band Broadband High Efficiency High Power Amplifier with MIM Resonator Type Multi Matching Network Eigo Kuwata, Dai Ninomiya, Daisuke Tsunami, Makoto Kimura, Koji Yamanaka (MELCO) MW2017-76 |
[more] | MW2017-76 pp.47-52 |
| MW, ED | 2017-01-27 11:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | An X-band Low Loss/High Power SPST Switch Using GaN on Si Ryota Komaru, Masatake Hangai, Kazuhiko Nakahara, Hiroyuki Okazaki, Koji Yamanaka (Mitsubishi Electric) ED2016-106 MW2016-182 |
An X-band low loss and high power switch using GaN on Si has been developed. The high power switch utilized asymmetric c... [more] | ED2016-106 MW2016-182 pp.53-56 |
| 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, ED | 2017-01-27 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Study on dependence of passivation stress for electrical characteristics of AlGaN/GaN HEMTs by TCAD simulation Toshiyuki Oishi (Saga univ.), Yutaro Yamaguchi, Koji Yamanaka (Mitsubishi Electric corp.) ED2016-108 MW2016-184 |
Effects of passivation residual stress on electrical characteristics for GaN HEMTs have been studied by using a TCAD sim... [more] | ED2016-108 MW2016-184 pp.63-68 |
| MW, ED | 2017-01-27 14:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A compact 8.5-10.5 GHz GaN-on-Si MMIC Amplifier for a low cost transmitter Jun Kamioka, Masatake Hangai, Kazuhiko Nakahara (Mitsubishi Electric Corp.), Hiroyuki Okazaki (Mitsubishi Electric Corporation), Koji Yamanaka (Mitsubishi Electric Corp.) ED2016-109 MW2016-185 |
[more] | ED2016-109 MW2016-185 pp.69-73 |
| MW, ED | 2017-01-27 14:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | C-Ku band over 10 W Broadband Power Amplifier using Broadband Series-Shunt Inductor Matching Network Eigo Kuwata, Atsuo Sugimoto, Hidetoshi Koyama, Yoshitaka Kamo, Ryota Komaru, Koji Yamanaka (Mitsubishi Electric) ED2016-110 MW2016-186 |
This paper reports on a Gallium Nitride High Electron Mobility Transistor (GaN HEMT) Monolithic Microwave Integrated Cir... [more] | ED2016-110 MW2016-186 pp.75-79 |
| MW, ED | 2017-01-27 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 30W Output/60% PAE GaN Power Amplifier at X-band 8% Relative Bandwidth Utilizing 0.15um GaN HEMT Technology Yoshifumi Kawamura, Masatake Hangai, Tomohiro Mizutani, Kenichi Tomiyama, Koji Yamanaka (Mitsubishi Electric) ED2016-111 MW2016-187 |
In this paper, a 30W-class X-band high-efficiency Internally Matched FET (IMFET) implemented in a 0.15 um GaN HEMT proce... [more] | ED2016-111 MW2016-187 pp.81-84 |
| 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 |
| MW | 2016-11-17 14:55 |
Saga | Saga Univ. | Industrial microwave heating device using GaN amplifier module Kazuhiro Iyomasa, Koji Yamanaka, Takeshi Shiode, Hiroyuki Mizutani, Masaomi Tsuru, Yoshifumi Kawamura, Takaaki Yoshioka, Yuji Komatsuzaki, Yutaro Yamaguchi, Keigo Nakatani, Ryuta Komaru, Kazutomi Mori, Hiroshi Fukumoto (Mitsubishi Electric Corp.) MW2016-123 |
(To be available after the conference date) [more] | MW2016-123 pp.39-42 |
| 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 |
| AP, MW (Joint) |
2016-09-16 09:20 |
Ibaraki | AIST | 60% PAE, 30W X-band and 33% PAE, 100W Ku-Band PAs utilizing 0.15um GaN HEMT Technology Takuma Torii, Shohei Imai, Hiroaki Maehara, Tetsuo Kunii, Takuo Morimoto, Norihiro Yunoue, Miyo Miyashita, Miyazaki Yasunori, Tsuyama Yoshinori, Koji Yamanaka, Hiroshi Fukumoto (Mitsubishi Electric Corp.) MW2016-83 |
[more] | MW2016-83 pp.53-57 |
| 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 |
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