Method and device for amplifying a reception signal

Details Method and device for amplifying a reception signal Method and device for amplifying a reception signal

2005-02-11

2010-06-01

Jamal, Alexander (Department: 2614)

Telephonic communications

Substation or terminal circuitry

Amplifying

C379S390020

Reexamination Certificate

active

07729491

ABSTRACT:
A method and a device for amplifying a reception signal are provided, involving the adjustment of a gain by which the reception signal is amplified, in particular as a function of a signal level of the reception signal. For example, lowpass filtering with a variable cutoff frequency is used to filter out a gain-dependent frequency range of the reception signal, which may especially contain an undesirable echo signal. Such a method and such a device are suitable in particular for the reception of ADSL signals in a central office.

REFERENCES:
patent: 6226322 (2001-05-01), Mukherjee
patent: 6583662 (2003-06-01), Lim
patent: 1 298 795 (2003-04-01), None

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