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Dive into the research topics where Yasushi Shigeno is active.

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Featured researches published by Yasushi Shigeno.


international microwave symposium | 2008

Intergate-Channel-Connected Multi-gate PHEMT devices for antenna switch applications

Shigeki Koya; Takashi Ogawa; Hiroyuki Takazawa; Akishige Nakajima; Shinya Osakabe; Yasushi Shigeno; Shinichiro Takatani

Intergate-Channel-Connected Multi-gate Pseudomorphic High-Electron-Mobility Transistors (IGCC-PHEMT) for antenna switch of wireless communication terminals have been developed to improve their off-state distortions. A single-pole double throw (SPDT) switch with a IGCC-PHEMT is fabricated by using a standard 0.5 μm InGaAs PHEMT process. The 2nd and 3rd harmonic distortion of this switch are −88 dBc and −70 dBc, respectively, at a 30-dBm input power of 850 MHz, which are 7 and 8 dB lower than those with the same SPDT switch configuration and normal PHEMT.


Archive | 2004

Electric component for communication device and semiconductor device for switching transmission and reception

Akishige Nakajima; Takashi Ogawa; Hidenori Suenaga; Eigo Tange; Shinya Osakabe; Yasushi Shigeno


Archive | 2006

Semiconductor integrated circuit device and high frequency power amplifier module

Toshihiro Miura; Hitoshi Akamine; Yasushi Shigeno; Akishige Nakajima; Masahiro Tsuchiya


Archive | 2012

Semiconductor integrated circuit, rf module using the same, and radio communication terminal device using the same

Shigeki Koya; Shinichiro Takatani; Takashi Ogawa; Akishige Nakajima; Yasushi Shigeno


Archive | 2012

SEMICONDUCTOR INTEGRATED CIRCUIT AND HIGH FREQUENCY MODULE USING THE SAME

Kaoru Katoh; Shigeki Koya; Yasushi Shigeno; Akishige Nakajima; Takashi Ogawa


Archive | 2011

Switching element, antenna switch circuit and radio frequency module using the same

Takashi Ogawa; Shinichiro Takatani; Shigeki Koya; Hiroyuki Takazawa; Shinya Osakabe; Akishige Nakajima; Yasushi Shigeno


Archive | 2005

SEMICONDUCTOR CIRCUIT DEVICE AND HIGH FREQUENCY POWER AMPLIFICATION MODULE

Akishige Nakajima; Yasushi Shigeno; Eigo Tange; 秋重 中島; 英吾 丹下; 靖 重野


Archive | 2003

COMMUNICATION ELECTRONIC COMPONENT AND TRANSMISSION RECEPTION SWITCHING SEMICONDUCTOR DEVICE

Akishige Nakajima; Takashi Ogawa; Shinya Osakabe; Yasushi Shigeno; Hidenori Suenaga; Eigo Tange; 秋重 中島; 英吾 丹下; 貴史 小川; 英典 末永; 靖 重野; 伸也 長壁


Archive | 2005

Antenna switch circuit and high frequency module having the same

Takashi Ogawa; Shinichiro Takatani; Akishige Nakajima; Yasushi Shigeno; Eigo Tange


Archive | 2011

Switch circuit, semiconductor device, and portable wireless device

Satoshi Tanaka; Tadashi Matsuoka; Masanori Iijima; Yasushi Shigeno

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