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Featured researches published by Takeshi Otsuka.


international conference on asic | 2000

CD-ROM drive system

Atsushi Wada; Takeshi Otsuka; Kuniyuki Tani; Tetsuro Sawai

We have developed a front-end processor core that can be easily embedded into CD-ROM/DVD drive LSIs. Our new slice level feedback system and performance-driven optimization techniques enabled design of a 3.13 mm/sup 2/, 64X-speed processor for CD-ROM drive. A test chip was implemented in 0.35 /spl mu/m CMOS. Experimental results show that performance exceeds the requirements for 48X and potentially for up to a 64X speed CD-ROM drive system.


Archive | 2002

Variable resistance circuit, operational amplification circuit, semiconductor integrated circuit, time constant switching circuit and waveform shaping circuit

Atsushi Wada; Takeshi Otsuka; Kuniyuki Tani


Archive | 2007

Semiconductor Module And Mobile Apparatus

Toshikazu Imaoka; Takeshi Otsuka; Tetsuro Sawai


Archive | 2003

Variable resistance circuit, operational amplification circuit and semiconductor integrated circuit

Atsushi Wada; Takeshi Otsuka; Kuniyuki Tani


Archive | 2001

Signal processing circuit and semiconductor integrated circuit

Takeshi Otsuka; Kuniyuki Tani; Atsushi Wada


Archive | 2006

Analog-to-digital converter and threshold-value correcting method

Kohji Sakata; Takeshi Otsuka


Archive | 2000

Signal processing circuit and semiconductor integrated circuit converting AC signal using two voltage reference values

Takeshi Otsuka; Kuniyuki Tani; Atsushi Wada


Archive | 2008

SEMICONDUCTOR APPARATUS AND MOBILE APPARATUS

Takeshi Otsuka; Toshikazu Imaoka


european solid-state circuits conference | 2000

Front-end processor core for up to 64X speed CD-ROM drive in 0.35um CMOS

Atsushi Wada; Takeshi Otsuka; Kuniyuki Tani; Tetsuro Sawai


Archive | 2007

Active filer circuit for limiting band of input signal

Takeshi Otsuka; Seiichi Banba

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