Method and apparatus for adapting a finite impulse response...

Details Method and apparatus for adapting a finite impulse response... Method and apparatus for adapting a finite impulse response...

2011-07-19

2011-07-19

Tzeng, Fred (Department: 2627)

Dynamic magnetic information storage or retrieval

Electronically correcting phasing errors between related...

Reexamination Certificate

active

07982985

ABSTRACT:
A method and apparatus for adapting an FIR equalizer in a hard disk drive read channel which determines again direction and/or a phase direction of an FIR response c of the FIR equalizer, and calculates a constraint so that the update does not change the FIR response in its gain and/or phase direction.

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