Masatake HANGAI


GaN Amplifiers of Selectable Output Power Function with Semi-Custom Matching Networks
Yutaro YAMAGUCHI Masatake HANGAI Shintaro SHINJO Takaaki YOSHIOKA Naoki KOSAKA 
Publication:   
Publication Date: 2019/10/01
Vol. E102-C  No. 10  pp. 682-690
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
gallium nitridehigh power amplifiersS-bandbroadband amplifiersimpedance matching tuning
 Summary | Full Text:PDF(3MB)

High-Power GaN HEMT T/R Switch Using Asymmetric Series-Shunt/Shunt Configuration
Masatake HANGAI Yukinobu TARUI Yoshitaka KAMO Morishige HIEDA Masatoshi NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/10/01
Vol. E94-C  No. 10  pp. 1533-1538
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Active Devices and Circuits
Keyword: 
T/R switchGaN HEMThigh-powerseries-shunt/shunt configuration
 Summary | Full Text:PDF(953.3KB)

High-Power Protection Switch Using Stub/Line Selectable Circuits
Masatake HANGAI Kazuhiko NAKAHARA Mamiko YAMAGUCHI Morishige HIEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/05/01
Vol. E94-C  No. 5  pp. 814-819
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices)
Category: 
Keyword: 
switchhigh-powerMMICmonolithic microwave integrated circuit
 Summary | Full Text:PDF(1.3MB)

Micromachined RF Devices for Concurrent Integration on Dielectric-Air-Metal Structures
Tamotsu NISHINO Masatake HANGAI Yukihisa YOSHIDA Sang-Seok LEE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 1111-1118
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
micromachineMEMShollow waveguidesGCPWfiltershybridsMEMS switchessilicon
 Summary | Full Text:PDF(1.9MB)

Millimeter-Wave High-Power MMIC Switch with Multiple FET Resonators
Masatake HANGAI Tamotsu NISHINO Morishige HIEDA Kunihiro ENDO Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/09/01
Vol. E90-C  No. 9  pp. 1695-1701
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Active Devices/Circuits
Keyword: 
switchFETFET resonatormillimeter-wavehigh-powerlow-lossMMICs
 Summary | Full Text:PDF(1.1MB)