Yasuaki Sumi

Yasuaki Sumi, Takao Tsukutani, Masami Higashimura, 2001, IVEC2001. Proceedings of the IEEE International Vehicle Electronics Conference 2001. IVEC 2001 (Cat. No.01EX522).

A control system for electrical appliances using eye-gaze input

Yasuaki Sumi, Hiroyuki Inoue, Noboru Yabuki, 2012, 2012 International Symposium on Intelligent Signal Processing and Communications Systems.

PLL Frequency Synthesizer with Multi-Phase Detector (Special Section on Selected Papers from the 11th Workshop on Circuits and Systems in Karuizawa)

Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, 1999 .

Voltage-mode active-only biquad

Yasuaki Sumi, Takao Tsukutani, Masami Higashimura, 2000 .

Dual loop DSP-PLL with wide frequency acquisition range and fast frequency acquisition

Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, 1998, ISCAS '98. Proceedings of the 1998 IEEE International Symposium on Circuits and Systems (Cat. No.98CH36187).

PLL frequency synthesizer with an auxiliary programmable divider

Shigeki Obote, Yasuaki Sumi, Naoki Kitai, 1999, ISCAS'99. Proceedings of the 1999 IEEE International Symposium on Circuits and Systems VLSI (Cat. No.99CH36349).

Novel fractional-N PLL frequency synthesizer with reduced phase error

Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, 1996, Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems.

A study of nonlinearities for a frequency-locked loop principle [frequency synthesizer application]

Hannu Tenhunen, Yasuaki Sumi, A. Gothenberg, 2003, Southwest Symposium on Mixed-Signal Design, 2003..

Prescaler PLL Frequency Synthesizer with Multi-Programmable Dividers

Shigeki Obote, Yasuaki Sumi, Naoki Kitai, 1998 .

Dead-zone-less PLL frequency synthesizer by hybrid phase detectors

Shigeki Obote, Yasuaki Sumi, Naoki Kitai, 1999, ISCAS'99. Proceedings of the 1999 IEEE International Symposium on Circuits and Systems VLSI (Cat. No.99CH36349).

PLL frequency synthesizer with multi-programmable divider

Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, 1998, ISCAS '98. Proceedings of the 1998 IEEE International Symposium on Circuits and Systems (Cat. No.98CH36187).

Proposal for a convergence criterion to the active net in two steps

Yasuaki Sumi, Yutaka Fukui, Yoshitaka Matsuda, 2000, 2000 IEEE International Symposium on Circuits and Systems. Emerging Technologies for the 21st Century. Proceedings (IEEE Cat No.00CH36353).

High Speed PLL Frequency Synthesizer by the Reference Frequency Control Method

Shigeki Obote, Yasuaki Sumi, Naoki Kitai, 1999 .

Versatile current-mode biquad using only plus type DO-DVCCs and grounded passive elements

Yasuaki Sumi, Takao Tsukutani, Kazushi Nagira, 2007 .

A New Lowpass Filter for the Fast Frequency Acquisition of the PLL Frequency Synthesizer

Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, 1997 .

Speedup of Frequency Switching Time in PLL Frequency Synthesizers Using Target Frequency Detector

Shigeki Obote, Yasuaki Sumi, Naoki Kitai, 1998 .

Electronically tunable current-mode oscillators using MO-OTAs and grounded capacitors

Yasuaki Sumi, Yutaka Fukui, Satomi Ogawa, 2006 .

Electronically tunable current-mode OTA-C oscillator

Yasuaki Sumi, Yutaka Fukui, Takao Tsukutani, 2005 .

A Realization of High-pass, Band-stop and All-pass Transfer Functions with OTA-C Integrator Loop Structure

Yasuaki Sumi, Yutaka Fukui, Takao Tsukutani, 2002 .

Performance improvement in a binary phase comparator type PLL frequency synthesizer

Shigeki Obote, Yasuaki Sumi, Yutaka Fukui, 1999, ISCAS'99. Proceedings of the 1999 IEEE International Symposium on Circuits and Systems VLSI (Cat. No.99CH36349).

A New Prescaler PLL Frequency Synthesizer with Multi-Programmable Divider

Shigeki Obote, Yasuaki Sumi, Naoki Kitai, 1999 .

A New Fractional-N PLL Frequency Synthesizer

Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, 1997, J. Circuits Syst. Comput..

PLL synthesizer with multi-programmable divider and multi-phase detector

Shigeki Obote, Yasuaki Sumi, Naoki Kitai, 1999, 1999 Digest of Technical Papers. International Conference on Consumer Electronics (Cat. No.99CH36277).

Novel current-mode biquad filter using plus type CCCIIs and grounded capacitors

Yasuaki Sumi, Takao Tsukutani, Katsuya Sueishi, 2007 .

Phase Error-Less Fractional ( N+1/2 ) Divider

Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, 1996 .

PLL frequency synthesizer system utilizing multi-programmable dividers

Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, 1998, 9th European Signal Processing Conference (EUSIPCO 1998).

A Fast Settling PLL Frequency Synthesizer Based on the Digital Frequency Difference Detector

Shigeki Obote, Yasuaki Sumi, Naoki Kitai, 1998 .

Improvement of the Prescaler Method by the ( N + 1/2 ) Pulse Swallow Type PLL Frequency Synthesizer

Shigeki Obote, Yasuaki Sumi, Kouichi Syoubu, 1997 .

Novel voltage-mode biquad without external passive elements

Yasuaki Sumi, Yutaka Fukui, Takao Tsukutani, 2001 .