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A mixed-signal RAM decision-feedback equalizer for disk drives

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4 Author(s)
Rothenberg, B.C. ; Dept. of Electr. Eng. & Comput. Sci., California Univ., Davis, CA, USA ; Brown, J.E.C. ; Hurst, P.J. ; Lewis, S.H.

A mixed-signal RAM decision-feedback equalizer (DFE) that operates at 90 Mb/s is described. The DFE cancels intersymbol interference caused by the past 4 decisions. The RAM contents are adapted using digital circuits. In steady-state operation, power dissipation is 260 mW. The active area is 4.5 mm/sup 2/ in a 1-/spl mu/m CMOS process.

Published in:

VLSI Circuits, 1996. Digest of Technical Papers., 1996 Symposium on

Date of Conference:

13-15 June 1996