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IEICE Trans

Akio WAKEJIMA

AlGaN/GaN HEMT on 3C-SiC/Low-Resistivity Si Substrate for Microwave Applications
Akio WAKEJIMA Arijit BOSE Debaleen BISWAS Shigeomi HISHIKI Sumito OUCHI Koichi KITAHARA Keisuke KAWAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2022/10/01
Vol. E105-C  No. 10  pp. 457-465
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
AlGaN/GaN, high electron mobility transistor (HEMT), GaN-on-Si, 3C-SiC intermediate layer, microwave amplifier, 
 Summary | Full Text:PDF
High Power GaN-FET Amplifier with Reduced Memory Effects for W-CDMA Base Stations
Akio WAKEJIMA Kohji MATSUNAGA Yuji ANDO Tatsuo NAKAYAMA Yasuhiro OKAMOTO Kazuki OTA Naotaka KURODA Masahiro TANOMURA Hironobu MIYAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/05/01
Vol. E90-C  No. 5  pp. 929-936
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices)
Category: Compound Semiconductor and Power Devices
Keyword: 
GaN-FET, amplifier, memory effects, baseband impedance, digital predistortion, W-CDMA, 
 Summary | Full Text:PDF
High Power Density and Low Distortion InGaP Channel FETs with Field-Modulating Plate
Akio WAKEJIMA Kazuki OTA Kohji MATSUNAGA Masaaki KUZUHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/12/01
Vol. E85-C  No. 12  pp. 2041-2045
Type of Manuscript:  Special Section PAPER (Special Issue on Low-Distortion,High-Power,High-Efficiency Active Device and Circuit Technology)
Category: 
Keyword: 
field-modulating plate, InGaP, field effect transistor (FET), intermodulation distortion, 
 Summary | Full Text:PDF
High Performance HJFET MMIC with Embedded Gate Technology for Microwave and Millimeter-Wave IC's Using EB Lithography (EMMIE)
Akio WAKEJIMA Yoichi MAKINO Katsumi YAMANOGUCHI Norihiko SAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/11/25
Vol. E82-C  No. 11  pp. 1977-1981
Type of Manuscript:  Special Section PAPER (Special Issue on High-Frequency/High-Speed Devices for Information and Communication Systems in the 21st Century)
Category: Low Power-Consumption RF ICs
Keyword: 
GaAs, HJFET, MMIC, millimeter wave, 
 Summary | Full Text:PDF