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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 09:25 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
A 100GHz-band GaN Transmitter Module with Triple-Multiplier for Beyond 5G Using Terahertz Band Yoshifumi Kawamura, Shimpei Yamashita, Keigo Nakatani, Koji Yamanaka, Yoshitaka Kamo, Kenichi Horiguchi, Tetsuo Kunii, Hirotaka Amasuga (Mitsubishi Electric)  MW2023-187 |
The goal of Beyond 5G (B5G) is to achieve ultra-high-speed, large-capacity communications 10 times faster than 5G. In or... [more] | MW2023-187 pp.66-69 |
| 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 |
| MW | 2024-03-01 10:15 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
28-GHz-Band GaN HEMT Outphasing Amplifier MMIC Designed by Considering Insertion Loss at Dual-Power-Level Optimization Taiki Kobayashi, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2023-189 |
The development of the fifth generation mobile communications (5G) will use higher frequencies such as millimeter wave b... [more] | MW2023-189 pp.74-77 |
| 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 |
| AP, WPT (Joint) |
2024-01-17 14:25 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
2.45 GHz High-Efficiency Power Amplifier for Integration and Cooperation of Telecommunication and Wireless Power Transfer Yuki Takagi, Yuta Nakamoto, Takashi Hirakawa, Yoshichika Ohta, Naoki Hasegawa (SB) WPT2023-30 |
In this paper, we present a transmitter configuration of wireless devices that is optimized for both information transmi... [more] | WPT2023-30 pp.1-5 |
| 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, 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 |
| MW | 2023-06-22 14:25 |
Kanagawa | Yugawara-machi Shou-Kou-Kai Bldg. (Primary: On-site, Secondary: Online) |
A Suitable for S-LMBA Consideration of wideband harmonic tuning circuit Hirotaka Asami, Takashi Sumiyoshi, Hiroshi Yamamoto, Takashi Maehata (SEI) MW2023-22 |
In next-generation mobile communications, broadband modulation signals are used to achieve high-capacity and high-speed ... [more] | MW2023-22 pp.13-18 |
| MW | 2023-06-23 09:30 |
Kanagawa | Yugawara-machi Shou-Kou-Kai Bldg. (Primary: On-site, Secondary: Online) |
[Special Talk]
Fundamentals of GaN HEMT Large-Signal Model for Microwave Amplifier Hiroshi Yamamoto, Ken Kikuchi (Sumitomo Electric) MW2023-25 |
To improve RF performance of microwave amplifiers, systematic circuit design techniques are required to maximize perform... [more] | MW2023-25 pp.29-32 |
| 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 | 2023-03-02 13:00 |
Tottori | Tottori Univ. (Primary: On-site, Secondary: Online) |
A 1.6-2.2 GHz Band GaN HEMT Continuous Class-B/J Power Amplifier with Drain Efficiency Over 70% Soushi Aonuma, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2022-162 |
A continuous Class-B/J amplifier can theoretically maintain the 78.5 % power efficiency of a Class-B amplifier over a wi... [more] | MW2022-162 pp.31-36 |
| MW | 2023-03-02 13:25 |
Tottori | Tottori Univ. (Primary: On-site, Secondary: Online) |
Characteristic Improvement at Back-Off Region by Three-Power-Level Optimization for 3.7-GHz GaN HEMT Doherty Amplifier Masataka Yamamoto, Kazuhiko Honjo, Yoichiro Yakayama, Ryo Ishikawa (UEC) MW2022-163 |
Increasing the communication capacity and speed is required for recent wireless communication systems. Digital modulated... [more] | MW2022-163 pp.37-41 |
| 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 14:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Circuits and devices technology of GaN power amplifiers for microwave and millimeter-wave application Koji Matsunaga (SIT) ED2022-95 MW2022-154 |
In recent years, High frequency GaN Transistor are used in many kinds of high frequency applications such as base-statio... [more] | ED2022-95 MW2022-154 pp.44-49 |
| 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 | 2022-11-15 11:15 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Bandwidth Improvement of Power Amplifier Using Dispersion Engineering of 1-Port CRLH Transmission Line Ryota Mogami, Eri Tsuji, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2022-110 |
In our previous paper, we reported a power amplifier using a 1-port CRLH transmission line (TL) as a harmonic tuning cir... [more] | MW2022-110 pp.7-12 |
| 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 |
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