Apparatus and method for adaptive amplitude equalization

Details Apparatus and method for adaptive amplitude equalization Apparatus and method for adaptive amplitude equalization

H - Electricity

04

B

379/66, 328/0.2

H04B 3/14 (2006.01)

Patent

CA 1299678

APPARATUS AND METHOD FOR ADAPTIVE AMPLITUDE EQUALIZATION Abstract of the Invention Apparatus and method for amplitude equalization of a signal channel such as a telephone line that does not require adjustments at the customer's premises. The equalization circuit receives a plurality of alignment signals at predetermined frequencies from the signal channel, and measures the amplitude of each alignment signal. The amplitudes are used to determine analog and digital filtertransfer function coefficients. Thereafter, input signals on the signal channel are filtered such that the combined amplitude response of the signal channel and filter is substantially flat over a designated frequency range.

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