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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW, ED | 2013-01-18 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Analysis of drain leakage current in AlGaN/GaN HEMT Kazuo Hayashi, Toshiyuki Oishi, Yoshitaka Kamo, Yutaro Yamaguchi, Hiroshi Otsuka, Koji Yamanaka, Masatoshi Nakayama (Mitsubishi Electric Corp.), Yasuyuki Miyamoto (Tokyo Institute of Technology)  ED2012-125 MW2012-155 |
Traps in GaN layer of AlGaN/GaN HEMTs have been studied by using both experimental data and TCAD simulation. Two traps w... [more] | ED2012-125 MW2012-155 pp.69-74 |
| MW | 2012-11-22 13:30 |
Okinawa | Test Production of a Flip-Chip Assembled 60GHz Receiver Front-End CMOS IC Masaomi Tsuru, Toshiyuki Tanaka, Ryuji Inagaki, Eiji Taniguchi, Masatoshi Nakayama (Mitsubishi Electric Corp.), Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) MW2012-124 |
In order to realize high data rate communication, equipment for millimeter-wave communication is developed. For example,... [more] | MW2012-124 pp.63-67 |
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| MWP, OPE, MW, EMT, EST, IEE-EMT [detail] | 2012-07-26 09:30 |
Hokkaido | Hokkaido Univ. | An S-Band 170W/70% Partially-Matched GaN HEMT Power Amplifier
-- Efficiency Increase by Harmonic Termination for GaN-on-Si Device -- Naoki Kosaka, Hiromitsu Uchida, Hifumi Noto, Koji Yamanaka, Masatoshi Nakayama, Yoshihito Hirano, Akira Inoue, Yoichi Nogami, Ko Kanaya (Mitsubishi Electric Corp.) MW2012-28 OPE2012-21 EST2012-10 MWP2012-9 |
[more] | MW2012-28 OPE2012-21 EST2012-10 MWP2012-9 pp.7-10 |
| MW | 2012-06-29 14:00 |
Gifu | Gifu Univ. | C-band 220W High Efficiency GaN Amplifier Hiroaki Maehara, Koji Yamanaka, Naoki Kosaka, Jun Nishihara, Keiichi Kawashima, Masatoshi Nakayama (Mitsubishi Electric) MW2012-22 |
In this paper, a high power and high efficiency fully internally-matched GaN FET operating at C-band is presented. Recen... [more] | MW2012-22 pp.19-24 |
| EST | 2012-06-01 15:45 |
Tokyo | Aoyama Gakuin University(Aoyama Campus) | A Basic Study on A Lossy Impedance-Matching Network with Directional Coupler and Reflection Circuit Hiromitsu Uchida, Koji Yamanaka, Masatoshi Nakayama (Mitsubishi Electric Corp.) EST2012-6 |
[more] | EST2012-6 pp.33-38 |
| MW | 2012-03-01 13:15 |
Saga | Saga University | An X-band GaN High-Power Amplifier with a Parallel-Resonant 2nd-Harmonic Input Terminating Network Hiromitsu Uchida, Hiroshi Otsuka, Koji Yamanaka, Hidetoshi Koyama, Masatoshi Nakayama, Yoshihito Hirano (Mitsubishi Electric Corp.) MW2011-174 |
[more] | MW2011-174 pp.35-40 |
| MW | 2012-03-01 13:45 |
Saga | Saga University | How to improve efficiency of over 100W output power GaN High Power Amplifiers using Harmonic Termination Technique Koji Yamanaka, Norihiro Yunoue, Shin Chaki, Masatoshi Nakayama, Yoshihito Hirano (Mitsubishi Electric) MW2011-175 |
In this paper, a high power and high efficiency fully internally-matched GaN FET operating at S-band is presented. Recen... [more] | MW2011-175 pp.41-46 |
| MW | 2011-10-20 09:00 |
Tokyo | The University of Electro-Communications | X-Band 120W internally matched GaN amplifier in small package Hiroaki Maehara, Hiromitsu Uchida, Hiromitsu Utsumi, Jun Nishihara, Hiroshi Otsuka, Koji Yamanaka, Masatoshi Nakayama (Melco) MW2011-85 |
In this paper, a small package internally matched GaN HEMT high power amplifier operating at X-band is presented. Radar ... [more] | MW2011-85 pp.1-5 |
| OPE, MW, MWP, EMT, EST, IEE-EMT [detail] | 2011-07-22 11:25 |
Hokkaido | C-Ku band ultra broadband GaN MMIC amplifier with 20W output power Eigo Kuwata, Koji Yamanaka, Hidetoshi Koyama, Tasuku Kirikoshi, Masatoshi Nakayama, Yoshihito Hirano (Melco) MW2011-59 OPE2011-46 EST2011-45 MWP2011-27 |
[more] | MW2011-59 OPE2011-46 EST2011-45 MWP2011-27 pp.119-123 |
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| EMCJ, MW, EST | 2011-05-26 14:35 |
Tokyo | NICT | L-band Partially-impedance matched GaN FET with 360W Output Power and 65% Power Added Efficiency Koji Yamanaka, Norihiro Yunoue, Shin Chaki, Masatoshi Nakayama, Yoshihito Hirano (Mitsubishi Electric) EMCJ2011-17 MW2011-14 EST2011-10 |
In this paper, a high power and high efficiency partially-impedance matched GaN FET operating at L-band is presented. Re... [more] | EMCJ2011-17 MW2011-14 EST2011-10 pp.45-50 |
| MW, ED | 2011-01-13 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Broadband High Efficiency Class-E GaN HEMT Amplifier Koji Yamanaka, Norihiro Yunoue, Shin Chaki, Masatoshi Nakayama, Yoshihito Hirano (Mitsubishi Electric) ED2010-179 MW2010-139 |
In this paper, a broadband high efficiency class-E GaN HEMT amplifier is presented. Recently, many over 100W output powe... [more] | ED2010-179 MW2010-139 pp.23-28 |
| MW | 2010-11-25 15:45 |
Okinawa | Tiruru | A small-size broadband Bridged-T Phase Shifter Masatake Hangai, Takuo Morimoto, Mamiko Yamaguchi, Morishige Hieda, Masatoshi Nakayama (Mitsubishi Electric Corp.) MW2010-111 |
A small-size and broadband bridged-T phase shifter has been developed. The proposed circuit is based on a HPF/LPF phase ... [more] | MW2010-111 pp.33-38 |
| MW, EMCJ | 2010-10-22 09:30 |
Akita | Akita Univ. | A Post-Wall Waveguide Matched Load with Thin-Film Resistor Hiromitsu Uchida, Masatoshi Nakayama, Akira Inoue, Yoshihito Hirano (Mitsubishi Electric Corp.) EMCJ2010-62 MW2010-97 |
A matched load with post-wall waveguide (or SIW; Substrate Integrated Waveguide) is presented. It consists of a post-wal... [more] | EMCJ2010-62 MW2010-97 pp.61-66 |
| 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 |
| MW | 2008-08-29 14:00 |
Osaka | Osaka-Univ. (Toyonaka) | A W-Band Second Harmonic Oscillator with Optimized Harmonic Load Takayuki Matsuzuka, Shinsuke Watanabe, Hirotaka Amasuga, Seiki Goto, Tomoki Oku, Takahide Ishikawa, Masatoshi Nakayama, Naohito Yoshida (Mitsubishi Electric Corp.) MW2008-98 |
A W-band second harmonic InGaP HBT oscillator with optimized second harmonic loads is presented. To enhance output power... [more] | MW2008-98 pp.107-112 |
| OPE, EMT, MW | 2008-07-25 10:50 |
Hokkaido | High Directivity Coupler Suppressing Undesired Coupling with Wilkinson Divider Kazuhisa Yamauchi, Masatoshi Nakayama, Akira Inoue (Mitsubishi Electric) MW2008-76 OPE2008-59 |
A high directivity microstrip coupler suppressing undesired coupling with a cancellation circuit of a Wilkinson divider ... [more] | MW2008-76 OPE2008-59 pp.163-168 |
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| EE | 2007-07-20 15:10 |
Yamaguchi | High Efficient 5V Input Induction Heating Circuit using a Voltage Resonant Inverter Hiroyasu Kitamura, Hideaki Abe, Hiroyuki Kameoka, Satoshi Nakayama, Mikihiro Yamashita, Seiichi Iwao (Ｍａｔｓｕｓｈｉｔａ Ｅｌｅｃｔｒｉｃ Ｗｏｒｋｓ，Ｌｔｄ．) EE2007-25 |
The self excitation resonant inverter using one transistor is used for non-contact energy transfer circuit. We applied t... [more] | EE2007-25 pp.101-105 |
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| MW | 2006-11-22 10:10 |
Fukuoka | A Ka-Band 6W MMIC Power Amplifier Hiroshi Otsuka, Kazuhisa Yamauchi, Shin Chaki, Kazuhiko Nakahara, Kunihiro Endo, Masatoshi Nakayama (Mitsubishi) |
[more] | MW2006-140 pp.51-54 |
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| RCS, NS (Joint) |
2006-07-19 15:55 |
Hokkaido | Hokkaido Univ. | [Encouragement Talk]
A QoS Management Scheme for VoWLAN in Radio Interference Daisuke Kawasaki, Satoshi Nakayama, Huanxu Pan, Satoru Yamano (NEC) NS2006-52 |
In this paper, we discuss the problems of hidden and exposed terminals in wireless LANs, and propose a method of predict... [more] | NS2006-52 pp.33-36 |
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