0.4-5.8 GHz SiGe-MMIC Quadrature Modulator Employing Self Current Controlled Mixer for Cognitive Radio. - Shintaro Shinjo; Fumiki Onoma; Koji Tsutsumi; Noriharu Suematsu; Mitsuhiro Shimozawa; Hiroshi Harada (IEICE Trans. Commun., 2009)

Analog Pre-Distortion Linearizer Using Self Base Bias Controlled Amplifier. - Shintaro Shinjo; Kazutomi Mori; Keiki Yamada; Noriharu Suematsu; Mitsuhiro Shimozawa (IEICE Trans. Electron., 2010)

On-Chip Temperature Compensation Active Bias Circuit Having Tunable Temperature Slope for GaAs FET MMIC PA. - Shintaro Shinjo; Kazutomi Mori; Tomokazu Ogomi; Yoshihiro Tsukahara; Mitsuhiro Shimozawa (IEICE Trans. Electron., 2011)

High speed, high analog bandwidth buck converter using GaN HEMTs for envelope tracking power amplifier applications. - Shintaro Shinjo; Young-Pyo Hong; Hamed Gheidi; Donald F. Kimball; Peter M. Asbeck (WiSNet, 2013)

A 5-level efficient IFPWM power coding approach encoding LTE for class-S digital-RF transmitter with distortion correction. - Qiuyao Zhu; Rui Ma; Chunjie Duan; Kenji Mukai; Shintaro Shinjo; Koon Hoo Teo (RWS, 2014)

Static sequence assisted out-of-band power suppression for DFT-s-OFDM. - Fumihiro Hasegawa; Shintaro Shinjo; Akihiro Okazaki; Atsushi Okamura; Loïc Brunel; David Mottier (PIMRC, 2015)

A broadband Rx band noise reduction circuit with CMOS switch for multi-band power amplifier. - Yoshifumi Kawamura; Shintaro Shinjo; Kazuhiro Iyomasa; Masakazu Hirobe; Katsuya Kato; Yoshinori Takahashi; Shigeo Yamabe; Kenichi Horiguchi; Morishige Hieda; Koji Yamanaka (RWS, 2015)

Stochastically approximated multiobjective optimization of dual input digital Doherty Power Amplifier. - Sufeng Niu; A. M. Koushik; Rui Ma; Koon Hoo Teo; Shintaro Shinjo; Yuji Komatsuzaki (IWCIA, 2017)

Highly integrated RF frontend module for high SHF wide-band massive MIMO in 5G, and switching-mode amplifiers beyond 4G. - Shintaro Shinjo; Keigo Nakatani; Jun Kamioka; Ryota Komaru; Shuichi Sakata; Takanobu Fujiwara; Hideyuki Nakamizo; Koji Yamanaka (VLSI-DAT, 2017)

A Compact RF Frontend Module of Active Phased Array Antenna for High SHF Wideband Massive MIMO in 5G. - Hideyuki Nakamizo; Shintaro Shinjo; Koji Tsutsumi; Satoshi Yamaguchi; Hideharu Yoshioka; Akihiro Okazaki; Akinori Taira; Kenichi Tajima (IEICE Trans. Electron., 2017)

Ka-Band GaN Large-Signal Model Considering Trap Effect on Nonlinear Capacitance by Using Transient S-Parameters Measurement. - Yutaro Yamaguchi 002; Tomohiro Otsuka; Masatake Hangai; Shintaro Shinjo; Toshiyuki Oishi (BCICTS, 2018)

A Ka-Band CW 15.5W 15.6% Fractional Bandwidth GaN Power Amplifier MMIC Using Wideband BPF Inter-stage Matching Network. - Keigo Nakatani; Yutaro Yamaguchi 002; Masatake Hangai; Shintaro Shinjo (BCICTS, 2019)

Study of Self-heating Effect of GaN HEMTs with Buffer Traps by Low Frequency S-parameters Measurements and TCAD Simulation. - Tomohiro Otsuka; Yutaro Yamaguchi 002; Shintaro Shinjo; Toshiyuki Oishi (BCICTS, 2019)

Millimeter-Wave GaN Power Amplifier MMICs for 5G Application. - Keigo Nakatani; Yutaro Yamaguchi 002; Yuji Komatsuzaki; Shintaro Shinjo (ISCAS, 2019)

120-W Ku-Band GaN SSPA with Diode Linearizer for Future Broadcasting Satellites. - Masafumi Nagasaka; Masaaki Kojima; Takuma Torii; Hiromitsu Utsumi; Koji Yamanaka; Shintaro Shinjo; Mitsuhiro Shimozawa; Hisashi Sujikai (IEICE Trans. Electron., 2019)

GaN Amplifiers of Selectable Output Power Function with Semi-Custom Matching Networks. - Yutaro Yamaguchi 002; Masatake Hangai; Shintaro Shinjo; Takaaki Yoshioka; Naoki Kosaka (IEICE Trans. Electron., 2019)

A Wideband and High Efficiency Ka-band GaN Doherty Power Amplifier for 5G Communications. - Yutaro Yamaguchi 002; Keigo Nakatani; Shintaro Shinjo (BCICTS, 2020)

Millimeter-Wave GaN Device Modeling for Power Amplifiers. - Yutaro Yamaguchi 002; Keigo Nakatani; Koon Hoo Teo; Shintaro Shinjo (DRC, 2020)

Overview and Prospects of High Power Amplifier Technology Trend for 5G and beyond 5G Base Stations. - Koji Yamanaka; Shintaro Shinjo; Yuji Komatsuzaki; Shuichi Sakata; Keigo Nakatani; Yutaro Yamaguchi 002 (IEICE Trans. Electron., 2021)

X-Band GaN Chipsets for Cost-Effective 20W T/R Modules. - Jun Kamioka; Yoshifumi Kawamura; Ryota Komaru; Masatake Hangai; Yoshitaka Kamo; Tetsuo Kodera; Shintaro Shinjo (IEICE Trans. Electron., 2022)

GaN Solid State Power Amplifiers for Microwave Power Transfer and Microwave Heating. - Koji Yamanaka; Kazuhiro Iyomasa; Takumi Sugitani; Eigo Kuwata; Shintaro Shinjo (IEICE Trans. Electron., 2024)

Performance Enhancement of Dual-Input Frequency-Periodic Load Modulated Power Amplifier at 1-5.7-GHz Bandwidth With Co-Designed Biasing Network. - Takuma Torii; Yuji Komatsuzaki; Shintaro Shinjo; Ryo Ishikawa (IEEE Access, 2025)