Using at least one servo channel to provide timing recovery and timing information to data channels
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United States of America Patent
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Oct 7, 2008
Grant Date -
Aug 2, 2007
app pub date -
Feb 1, 2006
filing date -
Feb 1, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Provided is a read channel, storage drive, and method to process signals read from a storage medium. At least one data channel including an interpolator and equalizer and a servo channel includes an interpolator. A timing recovery function processes a timing error from the interpolator in the servo channel to calculate interpolation timing information used by the interpolator to interpolate a servo channel signal. A path is coupled to the timing recovery function and the interpolator in the at least one data channel to communicate the interpolation timing information to the interpolator in the at least one data channel. The interpolator in the at least one data channel is configured to use the interpolation timing information to interpolate an asynchronous data channel signal.
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