Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Runsheng He0
Date of Patent
September 16, 2008
0Patent Application Number
110111780
Date Filed
December 15, 2004
0Patent Primary Examiner
Patent abstract
A signal processing apparatus includes an input circuit to receive an input signal, and a high-pass filter responsive to the input circuit. The high-pass filter includes M taps to filter precursor intersymbol interference (ISI), one main tap and N taps to filter postcursor ISI. Each of n taps of the N taps is limited to a range of between −1 and 0. The signal processing apparatus includes a decision feedback equalizer. The decision feedback equalizer includes a decision circuit responsive to the high-pass filter, and a feedback filter responsive to the decision circuit. The decision circuit is responsive to the feedback filter.
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