Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW |
2024-11-15 10:35 |
Okinawa |
JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
X-band 270 W Internally-matched High Power Amplifier Using GaN-on-GaN HEMTs Jun Kamioka, Eigo Kuwata, Shintaro Shinjo, Tsutomu Matsuura, Shingo Tomohisa, Eiji Yagyu (Mitsubishi Electric Corp.) MW2024-135 |
In recent years, a large number of transmission modules have been used for radar and communication. Lowering power consu... [more] |
MW2024-135 pp.61-64 |
WPT |
2024-06-13 14:55 |
Hokkaido |
Hakodate Citizen Hall (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Study on Miniaturization of High-Efficiency and High-Gain Microwave Amplifier for DC-RF Conversion in SSPS Power Transmitter Ryo Ishikawa, Kazuhiko Honjo (UEC) WPT2024-10 |
In the planned Space Solar Power System (SSPS), high-efficiency microwave power amplifiers are expected to be used for h... [more] |
WPT2024-10 pp.12-17 |
WPT |
2024-03-15 09:35 |
Kyoto |
Kyoto-Univ. (Uji campus) (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Design of High-Power Microwave Source Utilizing Amplifier Self-Oscillation Principle Bo Yang, Tomohiko Mitani, Naoki Shinohara (Kyoto Univ.), Hengming HSU (National Chung Hsing Univ.) WPT2023-47 |
Achieving high-power microwave output often requires multiple stages of amplifier amplification. However, the complexity... [more] |
WPT2023-47 pp.63-65 |
MW |
2024-02-29 10:05 |
Okayama |
Okayama Prefectural University (Okayama, Online) (Primary: On-site, Secondary: Online) |
A Study on Efficiency Improvement by Adjusting Drain Bias Voltage in a Distributed Amplifier Kento Iwasaki, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2023-174 |
Increasing the communication capacity and speed is required for recent wireless communication systems.
Currently, many ... [more] |
MW2023-174 pp.1-4 |
MW |
2023-06-23 09:30 |
Kanagawa |
Yugawara-machi Shou-Kou-Kai Bldg. (Kanagawa, Online) (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. (Kanagawa, Online) (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 14:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (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 |
MW |
2022-11-16 10:20 |
Nagasaki |
Fukue-Bunka-Kaikan (Nagasaki, Online) (Primary: On-site, Secondary: Online) |
DC-Feedback-Mode Zero-Threshold GaAs HEMT Rectifier/Voltage-Doubler Diode Rectifier for Applying Negative Gate-Bias to Microwave Power Amplifier Taki Nagata, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2022-123 |
In recent years, there has been much research on RF energy harvesting, which converts small electromagnetic waves in the... [more] |
MW2022-123 pp.77-80 |
WPT |
2022-03-08 10:00 |
Kyoto |
(Kyoto, Online) (Primary: On-site, Secondary: Online) |
Phase Conjugate Circuit for Double Frequency Retrodirective Mizuki Kataoka, Bo Yang, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2021-33 |
We propose a novel retrodirective system on microwave power transmission (MPT) for the interference reduction. The retro... [more] |
WPT2021-33 pp.58-61 |
AP |
2022-02-18 09:25 |
Online |
Online (Online) |
A Consideration of H-shaped-slot Patch Antenna with 3rd Harmonic Termination using Characteristic Mode Analysis Syunya Ban, Hayata Hirose (Nagoya Inst. of Tech.), Shinji Hara (Nagoya Univ.), Hiroshi Hirayama (Nagoya Inst. of Tech.) AP2021-167 |
In this paper, an H-shape slot patch antenna designed at 5.8 GHz with F-class load impedance for microwave power transfe... [more] |
AP2021-167 pp.50-54 |
AP, WPT (Joint) |
2020-01-24 12:55 |
Kagawa |
Sunport Hall Takamatsu (Kagawa) |
Basic Study of Patch Antenna with Class-F Load Impedance for 2.45 GHz Microwave Power Transfer Takase Oshima, Hiroshi Hirayama (NITech) AP2019-171 WPT2019-54 |
A novel patch antenna with class-F load function for microwave power transfer is proposed. Conventionally, class-F load ... [more] |
AP2019-171 WPT2019-54 pp.117-120(AP), pp.29-32(WPT) |
MW |
2019-11-14 16:40 |
Okinawa |
Minami Daido Villa. Tamokuteki Koryu Center (Okinawa) |
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 |
MW, AP (Joint) |
2019-09-20 15:35 |
Kanagawa |
JAXA (Sagamihara) (Kanagawa) |
C-band 10W GaN power amplifier for thin active integrated antenna arrays used for single-frequency wireless communication and power transmission Daisuke Kobuchi, Kentaro Matsuura, Yoshiaki Narusue (The Univ. of Tokyo), Shigeo Kawasaki (JAXA) MW2019-62 |
In an environment where many sensors are used, cables for communication and power supply increase the cost of maintenanc... [more] |
MW2019-62 pp.37-42 |
EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] |
2018-07-19 15:00 |
Hokkaido |
(Hokkaido) |
A 26-W X-band high efficiency GaN MMIC power amplifier with compact spurious suppression filters Jun Kamioka, Eigo Kuwata, Kazuhiko Nakahara, Yoshitaka Kamo, Masatake Hangai, Shintaro Shinjo (Mitsubishi Electric) EMT2018-29 MW2018-44 OPE2018-32 EST2018-27 MWP2018-28 |
A 26-W X-band high efficiency GaN MMIC power amplifier with compact spurious suppression filters is presented. GaN MMIC ... [more] |
EMT2018-29 MW2018-44 OPE2018-32 EST2018-27 MWP2018-28 pp.119-124 |
EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] |
2018-07-19 16:15 |
Hokkaido |
(Hokkaido) |
A Formulation of Gain Margin and Required Power for Closed-Loop Active Load-Pull Systems Kentaro Kawabe, Toshio Ishizaki (Ryukoku Univ.) EMT2018-32 MW2018-47 OPE2018-35 EST2018-30 MWP2018-31 |
As a design method for microwave power amplifier, passive load-pull method for obtaining the optimum load impedance is w... [more] |
EMT2018-32 MW2018-47 OPE2018-35 EST2018-30 MWP2018-31 pp.137-142 |
EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] |
2018-07-20 13:00 |
Hokkaido |
(Hokkaido) |
2.45 GHz ISM-Band 450W High Efficiency GaN Pallet Amplifier for Microwave Heating Takumi Sugitani, Kazuhiro Iyomasa, Masatake Hangai, Yoshifumi Kawamura, Jun Nishihara, Shintaro Shinjo (Mitsubishi Electric Corp.) EMT2018-39 MW2018-54 OPE2018-42 EST2018-37 MWP2018-38 |
In this paper, 2.45 GHz ISM-Band high power high efficiency GaN pallet amplifier for Microwave Heating is presented. To ... [more] |
EMT2018-39 MW2018-54 OPE2018-42 EST2018-37 MWP2018-38 pp.175-178 |
MW |
2017-11-09 13:50 |
Okinawa |
Miyakojima Marin Terminal Bldg. (Okinawa) |
Effects of drain-gate feedback capacitance on output power and power efficiency of microwave power amplifier Yoichiro Takayama, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2017-120 |
(To be available after the conference date) [more] |
MW2017-120 pp.45-49 |
MW |
2016-12-15 11:10 |
Kanagawa |
National Defense Academy (Kanagawa) |
A High-Efficiency GaN HEMT Power Amplifier with Harmonic Reactive Termination using a T Shaped Stab for Two Harmonics Yuki Takagi, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-138 |
A microwave multiband high-efficiency power amplier is required for the next-generation mobile communication system to ... [more] |
MW2016-138 pp.35-40 |
MW |
2016-12-15 11:30 |
Kanagawa |
National Defense Academy (Kanagawa) |
Large Signal Characteristics and Linearity Improvement for Single-GaN HEMT Dual-Band Power Amplifier in Concurrent Operation Mode Arisu Maruyama, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2016-139 |
Power amplifiers that enable multi-access in the microwave band have not been studied in detail so far, and the behavior... [more] |
MW2016-139 pp.41-46 |
SR |
2016-10-27 15:00 |
Osaka |
Osaka Univ. Nakanoshima Center (Osaka) |
[Technology Exhibit]
Developement of Channel Sounder at 2.4 GHz using Software Radio Periperal Takuto Kurose, Tatsuki Iwata, Kurokawa Yusuke, Minseok Kim, Shigenobu Sasaki (Niigata Univ.) SR2016-64 |
Channel measurements are indispensable for appropriate design of radio communications systems. For channel measurement, ... [more] |
SR2016-64 pp.47-52 |