Look-ahead decision feedback equalizing receiver

Details Look-ahead decision feedback equalizing receiver Look-ahead decision feedback equalizing receiver

2007-06-12

2007-06-12

Ghayour, Mohammed (Department: 2611)

Pulse or digital communications

Equalizers

Automatic

C375S229000, C326S093000, C326S094000, C326S095000, C326S096000

Reexamination Certificate

active

10667658

ABSTRACT:
A look-ahead decision feedback equalizing receiver includes an equalizing block for amplifying a high-frequency component of an external data signal fed thereto in response to a first and a second input signal, to provide a first and a second equalized external data signal; a clock synthesizer for outputting sampling clocks, a timing thereof being adjusted by receiving an external clock synchronized with the external data signal; an over-sampler for over-sampling the first and the second equalized external data signal in synchronization with the sampling clocks. A MUX block for multiplexing the outputs of the over-sampler in response to outputs of the MUX block, to thereby attain decision results; and a phase detector for deciding the timing of the sampling clock by analyzing the decision results.

REFERENCES:
patent: 4972430 (1990-11-01), Cantwell
patent: 5844436 (1998-12-01), Altmann
patent: 6396329 (2002-05-01), Zerbe
patent: 2003/0195645 (2003-10-01), Pillay et al.
patent: 2004/0001567 (2004-01-01), Wei

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