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Featured researches published by Yasuhide Ouchi.


international solid-state circuits conference | 1996

A 150 Mb/s PRML chip for magnetic disk drives

Seiichi Mita; Yasuhide Ouchi; Terumi Takashi; Nobuo Sato; H. Aoi; Satoshi Minoshima; Tomoaki Hirai; Hideki Miyasaka; Ryushi Shimokawa; T. Matsuura; Hideki Sawaguchi; Shoichi Miyazawa; K. Hikasa

Recent magnetic disk drives require high transfer rates and recording densities. PRML signaling is now prevalent in digital read/write channels. This PRML chip operates at a maximum data rate of 150 Mb/s with 1550 mW and includes all basic functions such as servo demodulation and write pre-compensation for magnetic disk drives with optimized circuit size. The chip is fabricated in 0.7 /spl mu/m double-poly double-metal BICMOS suitable for low-power devices and is packed in a 100-pin quad flat package with a die approximately 7 mm/sup 2/. This chip has a single 5 V power supply.


Archive | 1994

Longitudinal magnetic recording medium and apparatus

Yoshibumi Matsuda; Masaaki Futamoto; Fumio Kugiya; Yoshinori Miyamura; Takeshi Nakano; Hisashi Takano; Kyo Akagi; Mikio Suzuki; Yasuhide Ouchi


Archive | 2002

Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit

Naoki Satoh; Seiichi Mita; Shoichi Miyazawa; Terumi Takashi; Yosuke Hori; Yoshiju Watanabe; Akihiko Hirano; Satoshi Minoshima; Hideki Miyasaka; Toshihiro Nitta; Tomoaki Hirai; Ryushi Shimokawa; Koji Shida; Yasuhide Ouchi


Archive | 1992

Information processing apparatus for processing reproduction signal having nonlinear characteristics

Naoki Sato; Yasuhide Ouchi; Hideki Sawaguchi; Yosuke Hori; Yutaka Okada


Archive | 1997

Method for recording and reading an optical disk

Fumiyoshi Kirino; Tsuyoshi Toda; Hiroshi Ide; Hisataka Sugiyama; Atsushi Saito; Hiroyuki Tsuchinaga; Takeshi Maeda; Fumio Kugiya; Toshimitsu Kaku; Seiichi Mita; Kazuo Shigematsu; Yasuhide Ouchi


Archive | 1994

Optical disk apparatus and recording and reading method for an optical disk using the same

Fumiyoshi Kirino; Tsuyoshi Toda; Horishi Ide; Hisataka Sugiyama; Atsushi Saito; Hiroyuki Tsuchinaga; Takeshi Maeda; Fumio Kugiya; Toshimitsu Kaku; Seiichi Mita; Kazuo Shigematsu; Yasuhide Ouchi


Archive | 1988

Readout circuit in magnetic recording device

Nobumasa Nishiyama; Makoto Saito; Yasuhide Ouchi; Yasuhiro Katoh; Yoshihasa Kamo; Makoto Koizumi; Hajime Aoi; Naoki Sato; Reijiro Tsuchiya


Archive | 2004

Magnetic recording and reproduction apparatus

Yosuke Hori; Yasuhide Ouchi; Naoki Satoh


Archive | 1994

Correcting non-linear distortions of optical information with a non-linear equalizer

Naoki Satoh; Takeshi Maeda; Atsushi Saito; Hisataka Sugiyama; Hirofumi Sukeda; Hiroyuki Tsuchinaga; Yasuhide Ouchi


Archive | 1991

Peak detection method and apparatus therefor

Hideki Sawaguchi; Yasuhide Ouchi; Hajime Aoi

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