A 209 K-transistor ECL gate array with RAM. - Hisayasu Sato; Takashi Nishimura; Makoto Tatsuki; Atsushi Ohba; Shiro Hine; Yoichi Kuramitsu (IEEE J. Solid State Circuits, 1989)

A voltage compensated series-gate bipolar circuit operating at sub-2 V. - Hisayasu Sato; Kimio Ueda; Nagisa Sasaki; Tatsuhiko Ikeda; Koichiro Mashiko (IEEE J. Solid State Circuits, 1994)

A 1.9-GHz single chip IF transceiver for digital cordless phones. - Hisayasu Sato; Kenichi Kashiwagi; Kazuhito Niwano; Tetsuya Iga; Tatsuhiko Ikeda; Koichiro Mashiko; Tadashi Sumi; Koji Tsuchihashi (IEEE J. Solid State Circuits, 1996)

A fully compensated active pull-down ECL circuit with self-adjusting driving capability. - Kimio Ueda; Nagisa Sasaki; Hisayasu Sato; Koichiro Mashiko (IEEE J. Solid State Circuits, 1996)

A 2-V 1.9-GHz Si down-conversion mixer with an LC phase shifter. - Hiroshi Komurasaki; Hisayasu Sato; Nagisa Sasaki; Takahiro Miki (IEEE J. Solid State Circuits, 1998)

A 2.4-GHz-band 1.8-V operation single-chip Si-CMOS T/R-MMIC front-end with a low insertion loss switch. - Kazuya Yamamoto; Tetsuya Heima; Akihiko Furukawa; Masayoshi Ono; Yasushi Hashizume; Hiroshi Komurasaki; Shigenobu Maeda; Hisayasu Sato; Naoyuki Kato (IEEE J. Solid State Circuits, 2001)

2.4-GHz-Band CMOS RF Front-End Building Blocks at a 1.8-V Supply. - Hiroshi Komurasaki; Kazuya Yamamoto; Hideyuki Wakada; Tetsuya Heima; Akihiko Furukawa; Hisayasu Sato; Takahiro Miki; Naoyuki Kato; Akira Hyogo; Keitaro Sekine (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

A 1.8-V 73-dB dynamic-range CMOS variable gain amplifier. - Ryutaro Saito; Kinya Hosoda; Akira Hyogo; Takaya Maruyama; Hiroshi Komuraki; Hisayasu Sato; Keitaro Sekine (ESSCIRC, 2003)

A 1.8-V operation RF CMOS transceiver for 2.4-GHz-band GFSK applications. - Hiroshi Komurasaki; Tomohiro Sano; Tetsuya Heima; Kazuya Yamamoto; Hideyuki Wakada; Ikuo Yasui; Masayoshi Ono; Toshitsugu Miwa; Hisayasu Sato; Takahiro Miki; Naoyuki Kato (IEEE J. Solid State Circuits, 2003)

A 1.8 mm2, 11 mA, 23.2 dB-NF, discrete-time filter for GSM/WCDMA/WLAN using retiming technique. - Tomohiro Sano; Takaya Maruyama; Ikuo Yasui; Hisayasu Sato; Toshihiko Shimizu (CICC, 2007)

A Wide Dynamic Range Variable Gain Amplifier with Enhanced IP1 dB and Temperature Compensation. - Hisayasu Sato; Takaya Maruyama; Toshimasa Matsuoka; Kenji Taniguchi 001 (IEICE Trans. Electron., 2011)

A digital PLL with two-step closed-locking for multi-mode/multi-band SAW-less transmitter. - Keisuke Ueda; Toshiya Uozumi; Ryo Endo; Takahiro Nakamura; Tetsuya Heima; Hisayasu Sato (CICC, 2012)

A Multiband LTE SAW-Less CMOS Transmitter with Source-Follower-Driven Passive Mixers, Envelope-Tracked RF-PGAs, and Marchand Baluns. - Takao Kihara; Tomohiro Sano; Masakazu Mizokami; Yoshikazu Furuta; Mitsuhiko Hokazono; Takaya Maruyama; Tetsuya Heima; Hisayasu Sato (IEICE Trans. Electron., 2013)

13.4 A 6.3mW BLE transceiver embedded RX image-rejection filter and TX harmonic-suppression filter reusing on-chip matching network. - Tomohiro Sano; Masakazu Mizokami; Hiroaki Matsui; Keisuke Ueda; Kenichi Shibata; Kenji Toyota; Tatsuhito Saitou; Hisayasu Sato; Koichi Yahagi; Yoshihiro Hayashi (ISSCC, 2015)

A 22nm 0.84mm2 BLE Transceiver With Self IQ-Phase Correction Achieving 39dB Image Rejection and on-Chip Antenna Impedance Tuning. - Kenichi Shibata; Hiroaki Matsui; Hironori Asano; Yuichi Kusaka; Keisuke Ueda; Noriaki Matsuno; Hisayasu Sato (ISSCC, 2022)