Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW |
2010-09-09 13:55 |
Tokyo |
Tokyo Inst. of Tech. |
Proposal of distortion reduction method for the GaN HEMT Doherty Power Amplifier with a Series Connected Load Satoshi Kawai, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2010-67 |
Recently, much attention has been given to Doherty amplifiers as microwave power amplifiers that have the possibility of... [more] |
MW2010-67 pp.7-12 |
MW |
2009-09-25 14:25 |
Tokyo |
Univ. of Electro-Communications |
A Cascode Power Amplifier Consisting of Independently Biased Transistors and Its Design for Improved Power-Efficiency and Distortion Yoichiro Takayama, Kazuhiko Honjo (Univ. of Electro-Comm.) MW2009-84 |
In microwave and millimeter-wave power amplifiers, cascode circuits are introduced to realize high-power output performa... [more] |
MW2009-84 pp.61-65 |
MW |
2009-09-25 14:50 |
Tokyo |
Univ. of Electro-Communications |
Design and Fabrication for a GaN HEMT Microwave Doherty Power Amplifier with a Series Connected Load Satoshi Kawai, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2009-85 |
Doherty amplifiers are expected as a high-efficiency microwave power amplifier at a wide dynamic range. Doherty introduc... [more] |
MW2009-85 pp.67-72 |
MW, ED |
2009-01-16 11:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg |
A High Efficiency Class-F GaN HEMT Power Amplifier with a Diode Predistortion Linearizer Akihiro Ando, Yoichiro Takayama, Tsuyoshi Yoshida, Ryo Ishikawa, Kazuhiko Honjo (The Univ of Electro-Communications) ED2008-222 MW2008-187 |
This paper describes a high-efficiency Class-F GaN HEMT power amplifier linearized by a diode predistorter. The series d... [more] |
ED2008-222 MW2008-187 pp.135-139 |
SCE, MW |
2008-04-22 14:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A Doherty Power Amplifier with a Series Connected Load Yoichiro Takayama, Kazuhiko Honjo (Univ. Electro-Comm.) SCE2008-9 MW2008-9 |
Doherty amplifiers are expected as a high-efficiency microwave power amplifier at wide output power back-off region. Doh... [more] |
SCE2008-9 MW2008-9 pp.47-52 |
MW |
2006-12-22 13:00 |
Ehime |
|
Si MOSFET Doherty Power Amplifiers With Unequally Divided Input Power Yohei Kaneyama, Yoichiro Takayama, Takayuki Fujita, Kazusuke Maenaka (Univ of Hyougo) |
[more] |
MW2006-146 pp.13-18 |
MW |
2006-12-22 13:25 |
Ehime |
|
Intermodulation Distortion Asymmetries and Their Improvement in Microwave Power Amplifiers Kazushi Watanabe, Yoichiro Takayama, Takayuki Fujita, Kazusuke Maenaka (Univ. of Hyogo) |
[more] |
MW2006-147 pp.19-22 |
MW |
2005-12-16 13:35 |
Hiroshima |
|
A Dual-Band GaAs FET Oscillator with Common-Drain Configuration Kenichi Ono, Yoichiro Takayama, Takayuki Fujita, Kazusuke Maenaka (Univ. of Hyogo) |
Dual-band configuration and design method for oscillator using GaAs FET with common-drain configuration are proposed. On... [more] |
MW2005-136 pp.49-54 |
MW |
2005-12-16 14:00 |
Hiroshima |
|
A Tri-band GaAs FET Power Amplifier Using Lumped Elements Koji Uchida, Yoichiro Takayama, Takayuki Fujita, Kazusuke Maenaka (Univ. of Hyogo) |
Tri-band GaAs FET power amplifiers with a single transistor using lumped element matching circuits are designed and fabr... [more] |
MW2005-137 pp.55-60 |
MW |
2005-12-16 14:25 |
Hiroshima |
|
- Kazushi Watanabe, Kazuyuki Yamaguchi, Yoichiro Takayama, Takayuki Fujita, Kazusuke Maenaka (Univ. of Hyogo) |
The third order intermodulation distortion of microwave Si MOSFET power amplifiers is improved by forming an intrinsic d... [more] |
MW2005-138 pp.61-66 |
ICD |
2005-07-14 16:10 |
Aichi |
Toyohashi Univ. of Tech. |
Interface Electronics for MEMS Vibratory Sensors Kazusuke Maenaka, Nobuhiro Sawai, Takayuki Fujita, Yoichiro Takayama (Univ. of Hyogo) |
A MEMS vibratory acceleration sensor,vibratory gyroscope and their interface circuitry are discussed. Vibratory type sen... [more] |
ICD2005-52 pp.71-76 |
MW |
2005-05-20 10:45 |
Shiga |
|
Nonlinearity Accuracy of Microwave FET Drain Current Models Yohei Kaneyama, Yoichiro Takayama, Takayuki Fujita, Kazusuke Maenaka (Univ. Of Hyogo) |
[more] |
MW2005-25 pp.7-12 |
RCS, AP, WBS, MW, MoNA |
2005-03-04 16:40 |
Kanagawa |
Yokosuka Research Park |
Performance of a Doherty Amplifier with an Adaptive Predistorter for Peak Power reduced CDM signals Motonori Iwata, Yoshihiko Akaiwa (Kyushu Univ.), Tetsuji Harada, Yoichiro Takayama (Univ. of Hyogo) |
The Doherty amplifier is a technique to realize a high power efficiency over a wide input level. However, it is known th... [more] |
WBS2004-141 AP2004-322 RCS2004-409 MoMuC2004-192 MW2004-319 pp.115-120 |