Takuo KASHIWA


Analyses on Monolithic InP HEMT Resistive Mixer Operating under Very Low LO Power
Takuo KASHIWA Kazuya YAMAMOTO Takayuki KATOH Takao ISHIDA Takahide ISHIKAWA Yasuo MITSUI Yoshikazu NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/10/25
Vol. E82-C  No. 10  pp. 1831-1838
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
resistive mixerLO powerconversion lossInP HEMTconductance
 Summary | Full Text:PDF(982.7KB)

Automated Millimeter-Wave On-Wafer Testing System
Takayuki KATOH Takuo KASHIWA Hiroyuki HOSHI Akira INOUE Takahide ISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7  pp. 1312-1317
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: Measurements
Keyword: 
millimeter waveS-parameternoise figureMMICon-wafer measurement
 Summary | Full Text:PDF(725.2KB)

A Q-Band High Gain, Low Noise Variable Gain Amplifier Using Dual Gate AlGaAs/InGaAs Pseudomorphic HEMTs
Takuo KASHIWA Takayuki KATOH Naohito YOSHIDA Hiroyuki MINAMI Toshiaki KITANO Makio KOMARU Noriyuki TANINO Tadashi TAKAGI Osamu ISHIHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/04/25
Vol. E79-C  No. 4  pp. 573-579
Type of Manuscript:  PAPER
Category: Semiconductor Materials and Devices
Keyword: 
millimeter-wavelow noise figureMMICdual gategain control
 Summary | Full Text:PDF(851.4KB)

A Super Low Noise AlInAs/InGaAs HEMT Fabricated by Selective Gate Recess Etching
Naohito YOSHIDA Toshiaki KITANO Yoshitsugu YAMAMOTO Takayuki KATOH Hiroyuki MINAMI Takuo KASHIWA Takuji SONODA Hirozo TAKANO Osamu ISHIHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/09/25
Vol. E78-C  No. 9  pp. 1279-1285
Type of Manuscript:  PAPER
Category: Semiconductor Materials and Devices
Keyword: 
HEMTAlInAs/InGaAsInPlow-noiseselectiverecess
 Summary | Full Text:PDF(765.5KB)

An Ultra Low Noise 50-GHz-Band Amplifier MMIC Using an AIGaAs/InGaAs Pseudomorphic HEMT
Takuo KASHIWA Takayuki KATOH Naohito YOSHIDA Hiroyuki MINAMI Toshiaki KITANO Makio KOMARU Noriyuki TANINO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/03/25
Vol. E78-C  No. 3  pp. 318-321
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
millimeter-wavelow noise figureMMICAlGaAs/InGaAs Pseudomorphic HEMTmodeling
 Summary | Full Text:PDF(273.4KB)

A Millimeter-Wave Monolithic High Power Amplifier Using a Novel Tandem FET
Tadashi TAKAGI Kiyoharu SEINO Takuo KASHIWA Tsutomu HASHIMOTO Fumio TAKEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/06/25
Vol. E75-C  No. 6  pp. 669-673
Type of Manuscript:  Special Section PAPER (Special Issue on MMIC Technology)
Category: 
Keyword: 
millimeter-wavehigh power amplifierMMICtandem FET
 Summary | Full Text:PDF(434.4KB)