An all-band TV tuner IC with 10-GHz 100-V mixed analog/digital Si bipolar technology. - Katsuyoshi Washio; Takeaki Okabe; Katsuhiro Norisue; Toshio Nagashima (IEEE J. Solid State Circuits, 1992)

A wide-dynamic-range, high-transimpedance Si bipolar preamplifier IC for 10-Gb/s optical fiber links. - Kenichi Ohhata; Toru Masuda; Kazuo Imai; Ryoji Takeyari; Katsuyoshi Washio (IEEE J. Solid State Circuits, 1999)

Design of a 32.7-GHz bandwidth AGC amplifier IC with wide dynamic range implemented in SiGe HBT. - Kenichi Ohhata; Toru Masuda; Eiji Ohue; Katsuyoshi Washio (IEEE J. Solid State Circuits, 1999)

SiGe-HBT-based 54-gb/s 4: 1 multiplexer IC with full-rate clock for serial communication systems. - Toru Masuda; Kenichi Ohhata; Nobuhiro Shiramizu; Eiji Ohue; Katsuya Oda; Reiko Hayami; Hiromi Shimamoto; Masao Kondo; Takashi Harada; Katsuyoshi Washio (IEEE J. Solid State Circuits, 2005)

Low ACPR Characteristics for WCDMA Applications of SiGe: C HBT Devices with Small Emitter Capacitance. - Masao Kondo; Isao Miyashita; Tadashi Kuramaoto; Makoto Koshimizu; Katsuyoshi Washio (IEICE Trans. Electron., 2006)

24-GHz 1-V pseudo-stacked mixer with gain-boosting technique. - Nobuhiro Shiramizu; Toru Masuda; Takahiro Nakamura; Katsuyoshi Washio (ESSCIRC, 2008)

A 20-GHz 1-V VCO with dual-transformer configuration and a pseudo-static divider on self-stabilized concept. - Takahiro Nakamura; Toru Masuda; Nobuhiro Shiramizu; Akihiro Nakamura; Katsuyoshi Washio (ESSCIRC, 2009)

A 59GHz push-push VCO with 13.9GHz tuning range using loop-ground transmission line for a full-band 60GHz transceiver. - Takahiro Nakamura; Toru Masuda; Katsuyoshi Washio; Hiroshi Kondoh (ISSCC, 2009)

Low-power fully-integrated K-band transceiver using transformer direct-stacking/connecting and balun signal-combining techniques. - Nobuhiro Shiramizu; Akihiro Nakamura; Takahiro Nakamura; Toru Masuda; Katsuyoshi Washio (ESSCIRC, 2010)

A Push-Push VCO With 13.9-GHz Wide Tuning Range Using Loop-Ground Transmission Line for Full-Band 60-GHz Transceiver. - Takahiro Nakamura; Toru Masuda; Katsuyoshi Washio; Hiroshi Kondoh (IEEE J. Solid State Circuits, 2012)