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2020 – today
- 2023
[j6]Akihito Hirai, Yuki Tsukui, Koji Tsutsumi, Kazutomi Mori:
Variable-Gain Phase Shifter with Phase Compensation Using Varactors. IEICE Trans. Electron. 106(11): 677-688 (2023)
2010 – 2019
- 2019
- [j5]Akihito Hirai, Koji Tsutsumi, Hideyuki Nakamizo, Eiji Taniguchi, Kenichi Tajima, Kazutomi Mori, Masaomi Tsuru, Mitsuhiro Shimozawa:
A 0.3-to-5.5 GHz Digital Frequency Discriminator IC with Time to Digital Converter and Edge Counter for Instantaneous Frequency Measurement. IEICE Trans. Electron. 102-C(7): 547-557 (2019) - 2017
- [j4]Hideyuki Nakamizo, Shintaro Shinjo, Koji Tsutsumi, Satoshi Yamaguchi, Hideharu Yoshioka, Akihiro Okazaki, Akinori Taira, Kenichi Tajima:
A Compact RF Frontend Module of Active Phased Array Antenna for High SHF Wideband Massive MIMO in 5G. IEICE Trans. Electron. 100-C(10): 818-824 (2017) - [j3]Koji Tsutsumi, Takaya Maruyama, Wataru Yamamoto, Takanobu Fujiwara, Tatsuya Hagiwara, Ichiro Somada, Eiji Taniguchi, Mitsuhiro Shimozawa:
A 15GHz-Band 4-Channel Transmit/Receive RF Core-Chip for High SHF Wide-Band Massive MIMO in 5G. IEICE Trans. Electron. 100-C(10): 825-832 (2017) - 2015
- [j2]Masaomi Tsuru, Kengo Kawasaki, Koji Tsutsumi, Eiji Taniguchi:
Adaptively Phase-Shift Controlled Self-Injection Locked VCO. IEICE Trans. Electron. 98-C(7): 677-684 (2015)
2000 – 2009
- 2009
- [j1]Shintaro Shinjo, Fumiki Onoma, Koji Tsutsumi, Noriharu Suematsu, Mitsuhiro Shimozawa, Hiroshi Harada
:
0.4-5.8 GHz SiGe-MMIC Quadrature Modulator Employing Self Current Controlled Mixer for Cognitive Radio. IEICE Trans. Commun. 92-B(12): 3701-3710 (2009)
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