Kohei FUJII


A Comprehensive Nonlinear GaAs FET Model Suitable for Active and Passive Circuits Design
Kohei FUJII Fadhel M. GHANNOUCHI Toshiyuki YAKABE Hatsuo YABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 881-890
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: 
nonlinear modelGaAs FETsimulationlarge signal
 Summary | Full Text:PDF(1.5MB)

A Nonlinear GaAs FET Model Suitable for Active and Passive MM-Wave Applications
Kohei FUJII Yasuhiko HARA Fadhel M. GHANNOUCHI Toshiyuki YAKABE Hatsuo YABE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/02/25
Vol. E83-A  No. 2  pp. 228-235
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
nonlinear modelmm-waveGaAs FETsimulation
 Summary | Full Text:PDF(1.1MB)

Design of S-Band 90-Watt Solid-State Power Amplifier Module Using an Improved Nonlinear FET Model
Kohei FUJII Yasuhiko HARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7  pp. 1047-1053
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: Active Devices and Circuits
Keyword: 
MMICGaAs FETnonlinear modelpower amplifier
 Summary | Full Text:PDF(1.1MB)

An Application of the MCM Technology into an MMIC T/R Module for Phased Array Antennas
Kohei FUJII Yasuhiko HARA Yuzo SHIBUYA Yuji TAKANO Taturo SAKAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/06/25
Vol. E81-C  No. 6  pp. 819-826
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Module Technology)
Category: Functional Modules and the Design Technology
Keyword: 
multiple chip moduleT/R modulephased arrayMMIC
 Summary | Full Text:PDF(936.8KB)