Abstract

A two-sample per cycle, programmable five-tap, area-efficient finite-impulse response (FIR) filter for hard-disk drive PRML read channels is presented. The design is optimized for low power, achieving a figure of 6.25 /spl mu/W/MHz with a gate density of 2.3 K, by a combination of algorithmic, architectural, circuit-level, and layout techniques.

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