Self-calibrated adaptive equalization system and methods of...

Details Self-calibrated adaptive equalization system and methods of... Self-calibrated adaptive equalization system and methods of...

2011-02-22

2011-02-22

Phu, Phuong (Department: 2611)

Pulse or digital communications

Equalizers

Automatic

C375S230000, C375S350000, C708S322000, C708S323000

Reexamination Certificate

active

07894517

ABSTRACT:
A self-calibrating, adaptive equalization system for generating an ideal digital signal is disclosed. The adaptive equalization system includes an equalizer and a high-gain buffer. The equalizer includes a first equalizer loop that feeds-back a control voltage to the equalizer and the high-gain buffer that includes a second equalizer loop that feeds-back a high-pass-to-low-pass filter ratio signal. Each of the first and second equalizer loops has a high-pass and a low-pass filter, rectifying circuits for each of the filters, and an integrating circuit that compares signal energy output from the rectifiers. The adaptive equalization system generates an ideal digital signal.

REFERENCES:
patent: 2006/0098727 (2006-05-01), Kuijk

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