Title:
IMPROVED READ/WRITE CHANNEL
Document Type and Number:
WIPO Patent Application WO2001080238
Kind Code:
A8
Abstract:
An improved sampled amplitude read/write channel is provided. The system is an integrated Generalized Partial Response Maximum Likelihood (GPRML) read channel incorporating Read, Write, and Servo modes of operation. One implementation includes a 32/34 rate parity code and matched Viterbi detector, a 32 state Viterbi detector optimal parity processor, robust frame synchronization, self-adaptive equalization, thermal asperity detection and compensation, adaptive magneto-resistive asymmetry compensation, low latency interpolated timing recovery and programmable write precompensation.
Inventors:
RAE JAMES WILSON
BLISS WILLIAM
ASHLEY JONATHAN
KARABED RAZMIK
FRANCK STEPHEN J
MISTLEBERGER FRITZ
DRILLER MATTHIAS
STOCKMANS HEINER
MARGRAF DOMINIK
BLISS WILLIAM
ASHLEY JONATHAN
KARABED RAZMIK
FRANCK STEPHEN J
MISTLEBERGER FRITZ
DRILLER MATTHIAS
STOCKMANS HEINER
MARGRAF DOMINIK
Application Number:
PCT/US2001/011399
Publication Date:
June 19, 2003
Filing Date:
April 05, 2001
Export Citation:
Assignee:
INFINEON TECHNOLOGIES CORP (US)
International Classes:
G11B5/09; G11B20/10; G11B5/012; (IPC1-7): G11B20/10; G11B5/09
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