IEICE Trans

Yasuaki SUMI

A Realization of Multiple Circuit Transfer Functions Using OTA-C Integrator Loop Structure Takao TSUKUTANI Masami HIGASHIMURA Yasutomo KINUGASA Yasuaki SUMI Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/02/01 Vol. E86-A No. 2 pp. 509-512 Type of Manuscript: LETTER Category: Analog Signal Processing Keyword: operational transconductance amplifiers, grounded capacitors, high-pass, band-stop and all-pass transfer functions, continuous-time filter circuit,
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Electronically Tunable Current-Mode Biquad Using OTAs and Grounded Capacitors Takao TSUKUTANI Masami HIGASHIMURA Yasuaki SUMI Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/10/01 Vol. E84-A No. 10 pp. 2595-2599 Type of Manuscript: LETTER Category: Analog Signal Processing Keyword: current-mode circuit, operational transconductance amplifier, biquad characteristics, continuous-time filter circuit,
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Improvement of Active Net Model for Region Detection in an Image Noboru YABUKI Yoshitaka MATSUDA Makoto OTA Yasuaki SUMI Yutaka FUKUI Shigehiko MIKI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/03/01 Vol. E84-A No. 3 pp. 720-726 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 13th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: Active Net, region detection, energy optimization, image processing,
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The Automatic Counting of Chlorella Using Image Processing and Neural Network Yasuaki SUMI Makoto OTA Noboru YABUKI Shigeki OBOTE Yoshitaka MATSUDA Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/03/01 Vol. E84-A No. 3 pp. 794-796 Type of Manuscript: Special Section LETTER (Special Section of Selected Papers from the 13th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: chlorella, counting, pattern recognition, neural network, back propagation,
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Robust DSP Type Squaring Loop with Adaptive Notch Filter Type Frequency Estimator and Adaptive BPF Shigeki OBOTE Yasuaki SUMI Yoshio ITOH Yutaka FUKUI Masaki KOBAYASHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/02/01 Vol. E84-A No. 2 pp. 441-448 Type of Manuscript: Special Section PAPER (Special Section on Noise Cancellation and Reduction Techniques) Category: Narrow-Band Interference Cancellation Keyword: squaring loop, coherent detection, BPSK, adaptive notch filter, frequency estimator,
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PLL Frequency Synthesizer with Binary Phase Comparison Shigeki OBOTE Yasuaki SUMI Naoki KITAI Yutaka FUKUI Yoshio ITOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/03/25 Vol. E83-A No. 3 pp. 427-434 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 12th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, binary phase comparison,
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Prescaler PLL Frequency Synthesizer with Multi-Programmable Divider Yasuaki SUMI Shigeki OBOTE Naoki KITAI Hidekazu ISHII Ryousuke FURUHASHI Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/03/25 Vol. E83-A No. 3 pp. 421-426 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 12th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, prescaler, multi-programmable divider, (N+1/2) programmable divider,
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PLL Frequency Synthesizer with Multi-Phase Detector Yasuaki SUMI Kouichi SYOUBU Shigeki OBOTE Yutaka FUKUI Yoshio ITOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/03/25 Vol. E82-A No. 3 pp. 431-435 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 11th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, multi-phase detector, speedup of lock up time,
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Speedup of Frequency Switching Time in PLL Frequency Synthesizers Using a Target Frequency Detector Shigeki OBOTE Yasuaki SUMI Naoki KITAI Kouichi SYOUBU Yutaka FUKUI Yoshio ITOH
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/03/25 Vol. E82-A No. 3 pp. 436-441 Type of Manuscript: Special Section PAPER (Special Section on Selected Papers from the 11th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: PLL frequency synthesizer, target frequency detector, fast frequency switching,
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PLL Frequency Synthesizer for Low Power Consumption Yasuaki SUMI Kouichi SYOUBU Kazutoshi TSUDA Shigeki OBOTE Yutaka FUKUI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/03/25 Vol. E80-A No. 3 pp. 461-465 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 9th Karuizawa Workshop on Circuits and Systems) Category: Keyword: low power consumption, PLL frequency synthesizer, frequency extender, programmable divider, operating frequency, prescaler,
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