Optimized equalizer system for data recovery and timing extracti

Details Optimized equalizer system for data recovery and timing extracti Optimized equalizer system for data recovery and timing extracti

1995-03-20

1996-05-28

Kim, N. Chris

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

360 51, 360 65, 375290, G11B 509, G11B 5035, H04L 2534

Patent

active

055217672

ABSTRACT:
A simplified architecture is provided for a partial response read channel. One digital equalizer is used in conjunction with a simple shaping circuit to minimize power consumption while concurrently optimizing both the data recovery and timing extraction functions.

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patent: 5265125 (1993-11-01), Ohta
Wood, Ahlgrim, Hallamasek, Stenerson: "An Experimental Eight-Inch Disc Drive with One-Hundred Megabytes Per Surface", IEEE Trans. on Magnetics., vol. MAG-20, No. 5, Sep. 1984, pp. 698-702.
Dolivo, F., Schott, W., Ungerbock, G. "Fast Timing Recovery for Partial-Response Signalling Systems", Conference Record, ICC 89, IEEE Jun. 1989 pp. 573-577.
Thapar, H. K., Patel, A. M. "A Class of Partial Response Systems for Increasing Storage Density in Magnetic Recording", IEEE Transactions on Magnetics, vol. Mag-23, No. 5 Sep. 1987 pp. 3666-3668.
Cideciyan, R. Dolivo, F., Hermann, R., Hirt, W., Schott, W. "A PRML System for Digital Magnetic Recording", IEEE Journal on Selected Areas in Communications, vol. 10, No. 1 Jan. 1992 pp. 38-56.

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