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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| OME, IEE-DEI | 2019-01-23 10:40 |
Aichi | Island Hotel URASHIMA(Himaka-jima) | Strong and Weak Coupling in Organic-Inorganic Layered Perovskite Optical Microcavities Noriyuki Takada (AIST), Kazuya Yamamoto, Hideyuki Kunugita, Kazuhiro Ema (Sophia Univ.) OME2018-44 |
Two optical-microcavity devices with organic/inorganic hybrid layered-perovskite materials were prepared, and the coupli... [more] | OME2018-44 pp.53-55 |
| MW | 2015-11-19 16:00 |
Okinawa | Univ. of the Ryukyus | [Special Talk]
Report on 2015 IEEE MTT-S International Microwave Symposium Kenjiro Nishikawa (Kagoshima Univ.), Shuhei Amakawa (Hiroshima Univ.), Masataka Ohira (Saitama Univ.), Hiroyuki Kayano (Toshiba), Takashi Shimizu (Utsunomiya Univ.), Masahiro Horibe (AIST), Kazuya Yamamoto (Melco) MW2015-128 |
[more] | MW2015-128 pp.47-52 |
| MW | 2014-11-20 11:00 |
Nagasaki | Nagasaki Univ. | A Directivity Enhancement for Directional Couplers Using Additional Coupled Lines with Reverse-Phase Forward Couplings Hideharu Yoshioka, Akimichi Hirota, Kazuya Yamamoto, Hidenori Ishibashi, Yukihiro Tahara (Mitsubishi Electric) MW2014-126 |
In a coupled-line directional coupler formed on thin multi-layered substrates, it is difficult to match coupled-line cha... [more] | MW2014-126 pp.17-22 |
| MW | 2014-03-05 13:55 |
Ehime | Ehime University | Si/GaAs Hybrid Power Amplifier Modules for WCDMA Handset Terminals Teruyuki Shimura, Kazuya Yamamoto, Hiroaki Seki, Morishige Hieda, Yoshihito Hirano (Mitsubishi Electric) MW2013-218 |
Single-band (SB) and multiband (MB) power amplifier modules (PAM) are demonstrated for WCDMA handsets applications. The ... [more] | MW2013-218 pp.123-128 |
| OME | 2012-10-17 15:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Preparation of anion-exchange membranes using ionizing radiation and their cell testing Hiroshi Koshikawa, Tetsuya Yamaki, Masaharu Asano, Kimio Yoshimura, Yasunari Maekawa (JAEA), Kazuya Yamamoto, Hideyuki Inotani, Koichiro Asazawa, Susumu Yamaguchi, Hirohisa Tanaka (Daihatsu) |
[more] | |
| MW, ED | 2011-01-13 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on GaAs-HBT MMIC couplers with feedback circuit techniques Kazuya Yamamoto, Hitoshi Kurusu, Miyo Miyashita, Satoshi Suzuki, Akira Inoue (Mitsubishi Electric) ED2010-176 MW2010-136 |
This paper describes circuit design and measurement results of feedback circuit built-in spiral directional couplers and... [more] | ED2010-176 MW2010-136 pp.7-12 |
| ED, MW | 2010-01-15 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg | A Low-Voltage, Broadband Operation HBT Power Amplifier for CDMA Applications Kazuya Yamamoto, Atsushi Okamura, Takayuki Matsuzuka, Yutaka Yoshii, Satoshi Suzuki, Masatoshi Nakayama, Teruyuki Shimura, Naohito Yoshida (Mitsubishi Electric Corp.) ED2009-193 MW2009-176 |
This paper describes circuit design and measurement results of an HBT MMIC power amplifier module (PA) operating with a ... [more] | ED2009-193 MW2009-176 pp.105-110 |
| MW, ED | 2009-01-15 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg | A Study on HBT RF Power Detectors with Directional Couplers on a GaAs Substrate Kazuya Yamamoto, Hitoshi Kurusu, Miyo Miyashita, Satoshi Suzuki, Nobuyuki Ogawa, Masatoshi Nakayama (Mitsubishi Electric Co.) ED2008-210 MW2008-175 |
This paper describes circuit design and measurement results of a phase-shifter built-in spiral directional coupler and i... [more] | ED2008-210 MW2008-175 pp.71-76 |
| ED, MW | 2008-01-17 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on a Current-Mirror Based GaAs HBT RF Power Detector for Wireless Applications Kazuya Yamamoto, Miyo Miyashita, Hitoshi Kurusu, Nobuyuki Ogawa, Teruyuki Shimura (MELCO) ED2007-219 MW2007-150 |
This paper describes circuit design and measurement results of a newly developed GaAs-HBT RF power detector for use in w... [more] | ED2007-219 MW2007-150 pp.71-76 |
| ED, MW | 2008-01-17 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Fully Integrated HBT MMIC Power Amplifier Modules for Use in 2.5/3.5-GHz-Band WiMAX Applications Miyo Miyashita, Toshio Okuda, Hitoshi Kurusu (MELCO), Shoichi Shimamura, Shinsuke Konishi (WTI), Junichi Udomoto, Ryo Matsushita, Yoshinobu Sasaki, Satoshi Suzuki, Takeshi Miura (MELCO), Yoshio Takahara (RSE), Makio Komaru, Kazuya Yamamoto (MELCO) ED2007-220 MW2007-151 |
This paper describes two GaAs HBT MMIC power amplifier modules (PAs) for 2.5-GHz- and 3.5-GHz-band WiMAX applications. E... [more] | ED2007-220 MW2007-151 pp.77-82 |
| MW, ED | 2007-01-19 09:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A 2.4-V Reference Voltage Operation InGaP-HBT MMIC Power Amplifier for CDMA Handsets Takao Moriwaki, Kazuya Yamamoto, Nobuyuki Ogawa, Takeshi Miura, Kosei Maemura, Teruyuki Shimura (Mitsubishi Electric) |
This paper describes circuit design and measurement results of a newly developed InGaP/GaAs HBT MMIC power amplifier mod... [more] | ED2006-226 MW2006-179 pp.143-148 |
| MW, ED | 2007-01-19 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A 0/20-dB Step Attenuator Using GaAs-HBT Compatible, AC-Coupled, Stack-Type Base-Collector Diode Switches Kazuya Yamamoto, Miyo Miyashita, Nobuyuki Ogawa, Takeshi Miura, Teruyuki Shimura (Mitsubishi Electric) |
This paper describes a GaAs-HBT compatible, base-collector diode step attenuator for 3.5-GHz band wireless applications.... [more] | ED2006-231 MW2006-184 pp.173-178 |
| MW, ED | 2005-01-18 16:40 |
Tokyo | - Kazuya Yamamoto, Satoshi Suzuki, Nobuyuki Ogawa, Kenichiro Choumei, Teruyuki Shimura, Kosei Maemura (Mitsubishi Electric) |
This paper describes the circuit design and measurement results of an InGaP/GaAs HBT MMIC low-noise amplifier (LNA) for ... [more] | ED2004-226 MW2004-233 pp.83-87 |
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