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IEICE Trans

Shigeo KAWASAKI

A 7.1 GHz 170 W Solid-State Power Amplifier with 20-Way Combiner for Space Applications
Naoki HASEGAWA Naoki SHINOHARA Shigeo KAWASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/10/01
Vol. E99-C  No. 10  pp. 1140-1146
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
solid-state power amplifier, GaN HEMT, radial combiner and divider, CW-drive, 
 Summary | Full Text:PDF
The Dawn of the New RF-HySIC Semiconductor Integrated Circuits: An Initiative for Hybrid ICs Consisting of Si and Compound Semiconductors
Shigeo KAWASAKI Akihira MIYACHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/10/01
Vol. E99-C  No. 10  pp. 1085-1093
Type of Manuscript:  INVITED PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
hybrid semiconductor IC, RF-IC, GaN amplifier, rectifier, 
 Summary | Full Text:PDF
S-Band GaN on Si Based 1kW-Class SSPA System for Space Wireless Applications
Yuta KOBAYASHI Satoshi YOSHIDA Zen-ichi YAMAMOTO Shigeo KAWASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/10/01
Vol. E96-C  No. 10  pp. 1245-1253
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies and Applications for Microwave and Millimeter-Wave Systems)
Category: 
Keyword: 
GaN on Si, kW-class SSPA, space wireless applications, CW, long-term operation, phase noise, space environmental testing, 
 Summary | Full Text:PDF
Compact and High-Power Spatial Power Combiner by Active Integrated Antenna Technique at 5.8 GHz
Harunobu SEITA Shigeo KAWASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/11/01
Vol. E91-C  No. 11  pp. 1757-1764
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-wave Technologies)
Category: 
Keyword: 
active integrated antenna, Angelov model, heat sink mechanism, high power amplifier circuit, wireless power transmission, 
 Summary | Full Text:PDF
Numerical Characterization of Optically Controlled MESFETs Using an Energy-Dependent Physical Simulation Model
Mohamad A. ALSUNAIDI Tatsuo KUWAYAMA Shigeo KAWASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 869-874
Type of Manuscript:  Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)
Category: Modeling of Nonlinear Microwave Circuits
Keyword: 
optically controlled MESFET, FDTD method, device-optical wave interactions, Boltzmann's transport equation, illumination effects, 
 Summary | Full Text:PDF
FOREWORD
Eikichi YAMASHITA Shigeo KAWASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 853-854
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF
The Moment Method Analysis as a Simulator Technique for a Dipole Antenna Using Wavelets
Shigeo KAWASAKI Harunobu SEITA Takuo MORIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 914-922
Type of Manuscript:  Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)
Category: Electromagnetics Simulation Techniques
Keyword: 
Daubechies' wavelet, dipole antenna, moment method (MM), simulator technique, 
 Summary | Full Text:PDF
High Efficient Spatial Power Combining Utilizing Active Integrated Antenna Technique
Shigeo KAWASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/06/25
Vol. E80-C  No. 6  pp. 800-805
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeterwave High-power Devices)
Category: 
Keyword: 
spatial power combining, active integrated antenna, quasi-optical technique, strong coupling, combining efficiency, 
 Summary | Full Text:PDF