Masatoshi NII


A Compact Wideband T/R Switching Circuit Utilizing Quadrature Couplers and Gate-and-Drain-Driven HPAs
Hiromitsu UCHIDA  Masatoshi NII  Norio TAKEUCHI  Yoshihiro TSUKAHARA  Moriyasu MIYAZAKI  Yasushi ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/12/01
Vol. E85-C  No. 12  pp. 2022-2028
Type of Manuscript: Special Section PAPER (Special Issue on Low-Distortion,High-Power,High-Efficiency Active Device and Circuit Technology)
Category: 
Keyword: 
T/R switchingquadrature couplerFETbiasing conditionsmatching circuit
  Summary |  Full Text:PDF (1.5MB)

A 4-12 GHz 2 W GaAs HFET Amplifier Using Pre-Matching Circuits for Dual Gate-Bias Feed and Tapered Power Splitting/Combining FETs
Hidenori YUKAWA  Masatoshi NII  Yoshihiro TSUKAHARA  Yukio IKEDA  Yasushi ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/12/01
Vol. E85-C  No. 12  pp. 2029-2035
Type of Manuscript: Special Section PAPER (Special Issue on Low-Distortion,High-Power,High-Efficiency Active Device and Circuit Technology)
Category: 
Keyword: 
microwaveamplifierwidebandhigh powerGaAs
  Summary |  Full Text:PDF (911.5KB)

MMIC/Super-MIC/MIC-Combined C- to Ku-Band 2 W Balanced Amplifier Multi-Chip Module
Yasushi ITOH  Masatoshi NII  Norio TAKEUCHI  Yoshihiro TSUKAHARA  Hidetoshi KUREBAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/06/20
Vol. E80-C  No. 6  pp. 757-762
Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeterwave High-power Devices)
Category: 
Keyword: 
MMICMICamplifierwidebandhigh power
  Summary |  Full Text:PDF (577KB)

A Wideband Monolithic Lossy Match Power Amplifier Having an LPF/HPF-Combined Interstage Network
Mitsuru MOCHIZUKI  Yasushi ITOH  Masatoshi NII  Tadashi TAKAGI  Yasuo MITSUI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/09/20
Vol. E78-C  No. 9  pp. 1252-1254
Type of Manuscript: Special Section LETTER (Special Issue on Ultra-High-Speed Electron Devices)
Category: 
Keyword: 
amplifierpowerwidebandmonolithic
  Summary |  Full Text:PDF (237.9KB)