A temperature-compensated CMOS LC-VCO enabling the direct modulation architecture in 2.4GHz GFSK transmitter. - Toru Tanzawa; Hiroyuki Shibayama; Ryota Terauchi; Katsumi Hisano; Hiroki Ishikuro; Shouhei Kousai; Hiroyuki Kobayashi; Hideaki Majima; Toru Takayama; Kenichi Agawa; Masayuki Koizumi; Fumitoshi Hatori (CICC, 2004)

A phase noise minimization of CMOS VCOs over wide tuning range and large PVT variations. - Daisuke Miyashita; Hiroki Ishikuro; Shouhei Kousai; Hiroyuki Kobayashi; Hideaki Majima; Kenichi Agawa; Mototsugu Hamada (CICC, 2005)

A 1.2-V CMOS complex bandpass filter with a tunable center frequency. - Hideaki Majima; Hiroki Ishikuro; Kenichi Agawa; Mototsugu Hamada (ESSCIRC, 2005)

A 2.4-GHz Temperature-Compensated CMOS LC-VCO for Low Frequency Drift Low-Power Direct-Modulation GFSK Transmitters. - Toru Tanzawa; Kenichi Agawa; Hiroyuki Shibayama; Ryota Terauchi; Katsumi Hisano; Hiroki Ishikuro; Shouhei Kousai; Hiroyuki Kobayashi; Hideaki Majima; Toru Takayama; Masayuki Koizumi; Fumitoshi Hatori (IEICE Trans. Electron., 2005)

A -90 dBm sensitivity 0.13 μm CMOS bluetooth transceiver operating in wide temperature range. - Kenichi Agawa; Hideaki Majima; Hiroyuki Kobayashi; Masayuki Koizumi; Shin-ichiro Ishizuka; Takeshi Nagano; Makoto Arai; Yutaka Shimizu; Go Urakawa; Nobuyuki Itoh; Mototsugu Hamada; Nobuaki Otsuka (CICC, 2007)

A 0.13 µm CMOS Bluetooth EDR Transceiver with High Sensitivity over Wide Temperature Range and Immunity to Process Variation. - Kenichi Agawa; Shin-ichiro Ishizuka; Hideaki Majima; Hiroyuki Kobayashi; Masayuki Koizumi; Takeshi Nagano; Makoto Arai; Yutaka Shimizu; Asuka Maki; Go Urakawa; Tadashi Terada; Nobuyuki Itoh; et al. (IEICE Trans. Electron., 2010)

A -70dBm-sensitivity 522Mbps 0.19nJ/bit-TX 0.43nJ/bit-RX transceiver for TransferJet™ SoC in 65nm CMOS. - Daisuke Miyashita; Kenichi Agawa; Hirotsugu Kajihara; Kenichi Sami; Masaomi Iwanaga; Yosuke Ogasawara; Tomohiko Ito; Daisuke Kurose; Naotaka Koide; Toru Hashimoto; Hiroki Sakurai; Takafumi Yamaji; et al. (VLSIC, 2012)

A -70 dBm-Sensitivity 522 Mbps 0.19 nJ/bit-TX 0.43 nJ/bit-RX Transceiver for TransferJetTM SoC in 65 nm CMOS. - Daisuke Miyashita; Kenichi Agawa; Hirotsugu Kajihara; Kenichi Sami; Ichiro Seto; Ryuichi Fujimoto; Yasuo Unekawa (IEICE Trans. Electron., 2013)

3D-integrated, low-height, small module design techniques for 4.48GHz, 560MHz-bandwidth TransferJet™ transceiver. - Kenichi Agawa; Ichiro Seto; Akihiko Happoya; Yoshihiro Iida; Yusuke Imaizumi; Motochika Okano; Daigo Suzuki; Yuichi Sato; Masaomi Iwanaga; Kazumi Sato; Satoshi Arai; Noriaki Uchida; et al. (RWS, 2014)