Control loop for adaptive equalization of a data signal

Details Control loop for adaptive equalization of a data signal Control loop for adaptive equalization of a data signal

1998-05-12

2000-12-26

Chin, Stephen

Pulse or digital communications

Equalizers

Automatic

375236, 375317, 375287, H03K 5159, H03H 730, H03H 740

Patent

active

061670804

ABSTRACT:
A closed feedback loop controls the adaptive equalization of an incoming data signal received via a cable. Detected signal information about the positive and negative peaks of the incoming data signal during different windows in time is processed to generate a set of adaptive equalization control signals which identify differences, if any, between the positive and negative peaks of the present data signal and those which are desired. These equalization control signals control an input signal equalization circuit which adaptively adjusts the waveshape of the present data signal to bring it into conformance with the desired waveshape.

REFERENCES:
patent: 4479266 (1984-10-01), Eumurian et al.
patent: 5243625 (1993-09-01), Verbakel et al.
patent: 5367535 (1994-11-01), Scholz
patent: 5652533 (1997-07-01), Wong et al.
patent: 5940442 (1999-08-01), Wong et al.
patent: 6043766 (2000-03-01), Hee et al.

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