Process and a circuit for adapting coefficients in a modem equal

Details Process and a circuit for adapting coefficients in a modem equal Process and a circuit for adapting coefficients in a modem equal

1992-08-17

1994-07-26

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375 11, 3647242, H03H 730

Patent

active

053331494

ABSTRACT:
A process and a circuit for carrying out the process for adapting coefficients in a modem equalizer comprises a memory cell for storing a coefficient, an adapter receiving the output of the cell and providing a first signal having a first correction, and an adder receiving the first signal and providing a second signal to the cell. The adder also receives a value k much smaller than 1 having the sign provided by a comparator comparing an initial value of the considered coefficient and its current value.

REFERENCES:
patent: 4237554 (1980-12-01), Gitlin et al.
patent: 4384355 (1983-05-01), Werner
patent: 4718073 (1980-05-01), Takaoka
patent: 5097482 (1992-03-01), Serizawa et al.
patent: 5216629 (1993-06-01), Gurcan et al.

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