Taizo Yamawaki

23 papers C 1Misc 1Journal 10Unranked 11
YearRankTypeTitle / Venue / Authors
2022 J jnl
Fast CMOS Analog Multiplier and Divider With Continuous-Time Inverter-Based Flash Digitizer.
IEEE Trans. Circuits Syst. II Express Briefs
Takashi Oshima, Yohei Nakamura, Taizo Yamawaki
2022 J jnl
Foreword.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Taizo Yamawaki
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
2021 J jnl
A Low-Power Current-Reuse LNA for 3D Ultrasound Beamformers.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yohei Nakamura, Shinya Kajiyama, Yutaka Igarashi, Takashi Oshima, Taizo Yamawaki
2020 J jnl
A 22-ng/ $\surd$ Hz 17-mW Capacitive MEMS Accelerometer With Electrically Separated Mass Structure and Digital Noise- Reduction Techniques.
IEEE J. Solid State Circuits
Yuki Furubayashi, Takashi Oshima, Taizo Yamawaki, Keiki Watanabe, Keijiro Mori, Naoki Mori, Akira Matsumoto, Yudai Kamada, Atsushi Isobe, Tomonori Sekiguchi
2020 J jnl
Inherently Accurate Attenuation-Based Digital Calibration of ADC.
IEEE Trans. Circuits Syst. I Regul. Pap.
Takashi Oshima, Makoto Takahashi, Yohei Nakamura, Taizo Yamawaki
2019 — conf
A 22ng/√Hz 17mW MEMS Accelerometer with Digital Noise-Reduction Techniques.
ISSCC
Yuki Furubayashi, Takashi Oshima, Taizo Yamawaki, Keiki Watanabe, Keijiro Mori, Naoki Mori, Akira Matsumoto, Hideto Kazama, Yudai Kamada, Atsushi Isobe, Tomonori Sekiguchi
2019 Misc conf
A 4.8x Faster FPGA-Based Iterative Closest Point Accelerator for Object Pose Estimation of Picking Robot Applications.
FCCM
Atsutake Kosuge, Keisuke Yamamoto, Yukinori Akamine, Taizo Yamawaki, Takashi Oshima
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
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
2017 — conf
A 0.11mm
ESSCIRC
Takashi Oshima, Taizo Yamawaki, Koji Maeda
2016 — conf
A concentrated springs architecture for single-digit frequency symmetry in Si MEMS gyroscope.
IEEE SENSORS
Joan Giner, Yuhua Zhang, Takashi Shiota, Daisuke Maeda, Kazuo Ono, Shinya Kajiyama, Takashi Oshima, Taizo Yamawaki, Tomonori Sekiguchi
2015 — conf
F5: Advanced RF CMOS transmitter techniques.
ISSCC
Piet Wambacq, Stefano Pellerano, Sven Mattisson, Shouhei Kousai, Ali Afsahi, Taizo Yamawaki
2015 J jnl
Reference-Free Deterministic Calibration of Pipelined ADC.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takashi Oshima, Taizo Yamawaki
2015 — conf
Session 25 overview: RF frequency generation from GHz to THz: RF subcommittee.
ISSCC
Payam Heydari, Taizo Yamawaki
2012 J jnl
100-1000 MHz Programmable Continuous-Time Filter with Auto-Tuning Schemes and Digital Calibration Sequences for HDD Read Channels.
IEICE Trans. Electron.
Takahide Terada, Koji Nasu, Taizo Yamawaki, Masaru Kokubo
2012 — conf
A Δ∑-modulator-less digitally-controlled oscillator using fractional capacitors for GSM/EDGE transmitter.
ESSCIRC
Takahiro Nakamura, Takayasu Norimatsu, Toshiya Uozumi, Keisuke Ueda, Taizo Yamawaki
2012 — conf
Session 20 overview: RF frequency generation: RF subcommittee.
ISSCC
Robert Bogdan Staszewski, Taizo Yamawaki
2009 — conf
100-1000 MHz cutoff frequency, 0-12 dB boost programmable Gm-C filter with digital calibration for HDD read channel.
ESSCIRC
Takahide Terada, Taizo Yamawaki, Masaru Kokubo, Koji Nasu
2009 C conf
23-mW 50-MS/s 10-bit Pipeline A/D converter with Nonlinear LMS Foreground Calibration.
ISCAS
Takashi Oshima, Tomomi Takahashi, Taizo Yamawaki
2005 — conf
Variable gain amplifier in polar loop modulation transmitter for EDGE.
ESSCIRC
Masahiro Ito, Taizo Yamawaki, Masumi Kasahara, Steve Williams
1997 J jnl
A 2.7-V GSM RF transceiver IC.
IEEE J. Solid State Circuits
Taizo Yamawaki, Masaru Kokubo, Kiyoshi Irie, Hiroaki Matsui, Kazuaki Hori, Takefumi Endou, Hiroshi Hagisawa, Tomio Furuya, Yoshimi Shimizu, Makoto Katagishi, Julian Robert Hildersley