Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Kohei Onizuka"'
Autor:
Shusuke Kawai, Takeshi Ueno, Hiroaki Ishihara, Satoshi Takaya, Koutaro Miyazaki, Kohei Onizuka, Hiroki Ishikuro
Publikováno v:
IEEE Transactions on Power Electronics. 38:7079-7091
Publikováno v:
2022 IEEE Energy Conversion Congress and Exposition (ECCE).
Publikováno v:
IEEE Journal of Solid-State Circuits. 54:2730-2742
A small-gate-count 8 bit bidirectional phase-domain MAC (PMAC) circuit is proposed to minimize both area and energy consumption of extremely energy-efficient deep neural network (DNN) accelerators, targeting the Internet-of-Things (IoT) edge devices
Autor:
Tomohiro Higuchi, Dai Suzuki, Ryo Ishida, Yasuaki Isshiki, Kazuki Arai, Kohei Onizuka, Kousuke Miyaji
Publikováno v:
2021 IEEE Asian Solid-State Circuits Conference (A-SSCC).
Autor:
Satoshi Takaya, Hiroaki Ishihara, Shusuke Kawai, Koutaro Miyazaki, Kohei Onizuka, Takeshi Ueno
Publikováno v:
2021 IEEE Energy Conversion Congress and Exposition (ECCE).
A fully integrated load adaptive digital gate driver is proposed for high-speed and dependable SiC applications. It breaks the trade-off between surge/ringing and switching loss over a wide load range of $0 \sim 8\mathrm{A}$ by selecting the gate pat
Autor:
Kentaro Yoshioka, Tomoya Suzuki, Kohei Onizuka, Toshiyuki Yamagishi, Tsuguhide Aoki, Hideki Yamada, Toshiya Mitomo, Koichiro Ban, Hirotsugu Kajihara, Rui Ito, Masahiro Sekiya, Tomohiko Takeuchi, Yosuke Hagiwara, Shusuke Kawai, Yutaka Shimizu, Yuki Fujimura, Kengo Nakata, Motoki Nagata, Takayuki Kato, Shigehito Saigusa, Kazuhisa Horiuchi, Hiroyuki Kobayashi, Katsuyuki Ikeuchi, Yoshimasa Egashira, Yuki Ando, Hiroshi Yoshida, Kensuke Nakanishi, Arai Makoto
Publikováno v:
IEEE Journal of Solid-State Circuits. 53:3688-3699
A fully integrated 4 $\times $ 4 802.11abgn/ac/ax transceiver system-on-chip (SoC) with integrated interference analyzer and frequency-dependent in-phase and quadrature (IQ) (FD-IQ) calibration is presented. The FD-IQ technique helps meeting the extr
Publikováno v:
RWS
An approximately A4 paper size, 8×8 transmitter is designed for 5.7 GHz microwave power transmission targeting over 100 mW delivery in 3 m distance. The proposed tile-based design achieves up to 68.6 dBm EIRP in CW while maintaining power and cost-e
Autor:
Hideaki Majima, Hiroaki Ishihara, Katsuyuki Ikeuchi, Toshiyuki Ogawa, Yuichi Sawahara, Tatsuhiro Ogawa, Satoshi Takaya, Kohei Onizuka, Osamu Watanabe
Publikováno v:
Japanese Journal of Applied Physics. 61:SC1052
A cascoded GaN half-bridge with a wide-band galvanically isolated current sensor is proposed. A 650 V depletion-mode GaN field-effect transistor is switched by a low-propagation-delay gate driver in active-mode. The standby and active modes are switc
Publikováno v:
ISSCC
Increased switching frequency of power devices for power electronics allows for compact and lightweight circuit implementations for variety of applications, including power factor corrections, DC/DC converters, and motor drive inverters. In particula
Autor:
Kohei Onizuka, Hiroaki Ishihara
Publikováno v:
ISSCC
An up-to-date gate control technique for an advanced power converter with highspeed switching devices requires bidirectional, responsive and independent multiple communication, including gate PWM signal, monitoring and configuration signals for power