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An integrated analog CMOS Viterbi detector for digital magnetic recording

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2 Author(s)
Matthews, T.W. ; Dept. of Electr. & Comput. Eng., California Univ., Davis, CA, USA ; Spencer, R.R.

An analog Viterbi detector has been fabricated in a 2-μm double-poly p-well CMOS process. The detector takes a continuous-time analog input equalized to a class-IV partial response and produces the corresponding digital output at over 40 Mb/s while consuming less than 100 mW from a single 5-V supply. Measured performance is close to theoretical expectations and the performance is demonstrated to be robust with respect to changes in bias

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:28 ,  Issue: 12 )