Toru Yazaki

13 papers C 2Journal 4Unranked 7
YearRankTypeTitle / Venue / Authors
2022 J jnl
T/R Switch Composed of Three HV-MOSFETs With 12.1-μW Consumption That Enables Per-Channel Self-Loopback AC Tests and -18.1-dB Switching Noise Suppression for 3-D Ultrasound Imaging With 3072-Ch Transceiver.
IEEE Trans. Very Large Scale Integr. Syst.
Shinya Kajiyama, Yutaka Igarashi, Toru Yazaki, Yusaku Katsube, Takuma Nishimoto, Tatsuo Nakagawa, Yohei Nakamura, Yoshihiro Hayashi, Takuya Kaneko, Hiroki Ishikuro, Taizo Yamawaki
2019 J jnl
Single-Chip 3072-Element-Channel Transceiver/128-Subarray-Channel 2-D Array IC With Analog RX and All-Digital TX Beamformer for Echocardiography.
IEEE J. Solid State Circuits
Yutaka Igarashi, Shinya Kajiyama, Yusaku Katsube, Takuma Nishimoto, Tatsuo Nakagawa, Yasuyuki Okuma, Yohei Nakamura, Takahide Terada, Taizo Yamawaki, Toru Yazaki, Yoshihiro Hayashi, Kazuhiro Amino, Takuya Kaneko, Hiroki Tanaka
2019 — conf
T/R-Switch Composed of 3 High-Voltage MOSFETs with 12.1 µW Consumption that can Perform Per-channel TX to RX Self-Loopback AC Tests for 3D Ultrasound Imaging with 3072-channel Transceiver.
A-SSCC
Shinya Kajiyama, Yutaka Igarashi, Toru Yazaki, Yusaku Katsube, Takuma Nishimoto, Tatsuo Nakagawa, Yohei Nakamura, Yoshihiro Hayashi, Taizo Yamawaki
2018 J jnl
25-Gbps 3-mW/Gbps/ch VCSEL Driver Circuit in 65-nm CMOS for Multichannel Optical Transmitter.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Toru Yazaki, Norio Chujo, Takeshi Takemoto, Hiroki Yamashita, Akira Hyogo
2018 — conf
Time-Shared DAC in SAR ADC for Tx Beamforming of Ultrasound Application.
ISPACS
Toru Yazaki, Akira Hyogo
2017 — conf
27.6 Single-chip 3072ch 2D array IC with RX analog and all-digital TX beamformer for 3D ultrasound imaging.
ISSCC
Yusaku Katsube, Shinya Kajiyama, Takuma Nishimoto, Tatsuo Nakagawa, Yasuyuki Okuma, Yohei Nakamura, Takahide Terada, Yutaka Igarashi, Taizo Yamawaki, Toru Yazaki, Yoshihiro Hayashi, Kazuhiro Amino, Takuya Kaneko, Hiroki Tanaka
2014 C conf
25-Gbps×4 optical transmitter with adjustable asymmetric pre-emphasis in 65-nm CMOS.
ISCAS
Toru Yazaki, Norio Chujo, Hiroki Yamashita, Takashi Takemoto, Yong Lee, Yasunobu Matsuoka
2014 J jnl
A 25-to-28 Gb/s High-Sensitivity (-9.7 dBm) 65 nm CMOS Optical Receiver for Board-to-Board Interconnects.
IEEE J. Solid State Circuits
Takashi Takemoto, Hiroki Yamashita, Toru Yazaki, Norio Chujo, Yong Lee, Yasunobu Matsuoka
2014 — conf
Automatic adjustment system for optical interconnection transmitter using improved particle swarm optimization.
ISIC
Kenichi Ohhata, Hiroki Nakahara, Takuya Inoue, Toru Yazaki, Norio Chujo, Takuma Nishimoto
2013 — conf
A 25-Gb/s × 4-Ch, 8 × 8 mm
OFC/NFOEC
Norio Chujo, Toru Yazaki, Toshiaki Takai, Daichi Kawamura, Yasunobu Matsuoka, Yong Lee, Toshiki Sugawara, Hiroki Yamashita, Takashi Takemoto, Yoshiaki Ishigami, Kinya Yamazaki, Yoshinori Sunaga, Naoki Matsushima
2013 — conf
A 4× 25-to-28Gb/s 4.9mW/Gb/s -9.7dBm high-sensitivity optical receiver based on 65nm CMOS for board-to-board interconnects.
ISSCC
Takashi Takemoto, Hiroki Yamashita, Toru Yazaki, Norio Chujo, Yong Lee, Yasunobu Matsuoka
2010 C conf
17 Gb/s VCSEL driver using double-pulse asymmetric emphasis technique in 90-nm CMOS for optical interconnection.
ISCAS
Kenichi Ohhata, Hironori Imamura, Toshinobu Ohno, Takaya Taniguchi, Kiichi Yamashita, Toru Yazaki, Norio Chujo
2002 — conf
Low-power ASK receiver circuit for wireless communication system.
APCCAS (2)
Toru Yazaki, Hiroya Yamamoto, Akira Hyogo, Keitaro Sekine