Accurate timing alignments for decision directed continuous time equalizers
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United States of America Patent
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Mar 17, 2009
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N/A
app pub date -
Apr 29, 2005
filing date -
Apr 29, 2005
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Abstract
A continuous time equalizer for equalizing an input signal using a feedforward equalizer portion and a feedback equalizer portion is provided that includes: a slicer operable to make bit decisions on a combined output from the feedforward and feedback equalizer portions; an adaptive delay circuit operable to delay the combined output to form a delayed output; and a controller operable to control the delay provided by the adaptive delay circuit such that a first group delay through the slicer and a second group delay through the adaptive delay circuit in response to a sinusoidal form of the input signal are substantially equal.
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