Shigeru WATANABE


A 15-50 GHz-Band GaAs MMIC Variable Attenuator with 20-dB Attenuation Control
Kazuya NISHIHORI Shigeru WATANABE Fumio SASAKI Kazuhiro ARAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/10/01
Vol. E84-C  No. 10  pp. 1543-1547
Type of Manuscript:  Special Section PAPER (Special Issue on Millimeter-Wave Circuits and Fabrication Technologies Opening up the 21st Century)
Category: 
Keyword: 
microwave and millimeter-wavevariable attenuatorGaAs MMICHEMTbalanced distributed configuration
 Summary | Full Text:PDF(937.4KB)

A K-Band MMIC Subharmonically Pumped Mixer Integrating Local Oscillator Amplifier with Low Spurious Output
Yasushi SHIZUKI Ken ONODERA Kazuhiro ARAI Masaaki ISHIDA Shigeru WATANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/04/01
Vol. E84-C  No. 4  pp. 433-442
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
MMICsubharmonically pumped mixeranti-parallel diode pairlow spuriousquasi-lumped stub
 Summary | Full Text:PDF(1.4MB)

A K-Band MMIC Frequency Doubler Using Resistive Series Feedback Circuit
Yasushi SHIZUKI Yumi FUCHIDA Fumio SASAKI Kazuhiro ARAI Shigeru WATANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/05/25
Vol. E83-C  No. 5  pp. 759-766
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
frequency doublerlow spuriousresistive series feedbackMMIC
 Summary | Full Text:PDF(1.7MB)

Resonance and Leakage Phenomena in Flipped-Chip MMIC
Yasushi SHIZUKI Shigeru WATANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/07/25
Vol. E82-C  No. 7  pp. 1129-1138
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: Passive Devices and Circuits
Keyword: 
flipped-chipMMICmm-waveresonancesurface wave leakage
 Summary | Full Text:PDF(1.1MB)

Improved Equivalent Circuit Model of GaAs FET Switch for MMIC Phase Shifter Design
Hideki TAKASU Shigeru WATANABE Susumu KAMIHASHI Motoharu OHTOMO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/06/25
Vol. E80-C  No. 6  pp. 812-820
Type of Manuscript:  PAPER
Category: Microwave and Millimeter Wave Technology
Keyword: 
MMICphase shifterGaAsswitch
 Summary | Full Text:PDF(648.2KB)

Effect of Source Harmonic Tuning on Linearity of Power GaAs FET under Class AB Operation
Shigeru WATANABE Shinji TAKATSUKA Kazutaka TAKAGI Hiromichi KURODA Yuji ODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 611-616
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Active Devices
Keyword: 
GaAs FET. microwaveamplifierclass ABmeasurementsimulation
 Summary | Full Text:PDF(492.3KB)

An lmproved Gate Current Model of GaAs FET's for Nonlinear Circuit Simulation
Shigeru WATANABE Yuji ODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 606-610
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Active Devices
Keyword: 
GaAsFETmicrowaveequivalent clrcuitmodelingsimulation
 Summary | Full Text:PDF(350.2KB)

An Accurate FET Model for Microwave Nonlinear Circuit Simulation
Junko ONOMURA Shigeru WATANABE Susumu KAMIHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/09/25
Vol. E78-C  No. 9  pp. 1223-1228
Type of Manuscript:  Special Section PAPER (Special Issue on Ultra-High-Speed Electron Devices)
Category: 
Keyword: 
GaAs FETnonlinearsimulationmodelingmicrowave
 Summary | Full Text:PDF(406.4KB)