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A 500 MHz 50 mW Viterbi detector for DVD systems using simplified ACS and new path memory architecture

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5 Author(s)
Yamamoto, A. ; Matsushita Electr. Ind. Co. Ltd., Osaka, Japan ; Nakahira, H. ; Takahashi, T. ; Yamamoto, T.
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A novel Viterbi detector has been developed for DVD Partial Response Maximum Likelihood (PRML) read channel systems. The Viterbi detector employs new calculation procedure of Add-Compare-Select (ACS) and new path memory architecture. A prototype chip has been fabricated in 0.18 /spl mu/m 1PS3AL CMOS technology, and the Viterbi detector demonstrates a half active area (0.156 mm/sup 2/) and power consumption (50 mW at 500 MHz) compared with conventional one.

Published in:

VLSI Circuits Digest of Technical Papers, 2002. Symposium on

Date of Conference:

13-15 June 2002