Adaptive equalizer

Details Adaptive equalizer Adaptive equalizer

1989-05-17

1991-07-30

Olms, Douglas W.

Pulse or digital communications

Repeaters

Testing

333 18, 3647242, H03K 5159

Patent

active

050365258

ABSTRACT:
An adaptive equalizer for compensating input signal frequency and phase distortion introduced in the input signal transmission media is provided. The adaptive equalizer includes frequency selection means for generating an output signal of a selected frequency in response to the input signal and a feedback signal. A comparator slices the equalizer output at predetermined levels. A controller receives the comparator output and provides a controller output representative of the voltage level of the comparator output. A digital filter receives the controller output and generates a corresponding binary signal as the feedback signal to the frequency selection means.

REFERENCES:
patent: 3947769 (1976-03-01), Rousos
patent: 4387465 (1983-06-01), Becker
patent: 4449102 (1984-05-01), Frazer
patent: 4637036 (1987-01-01), Kobari
patent: 4641324 (1987-02-01), Karsh

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