Automatic gain control circuit for a digital baseband line equal

Pulse or digital communications – Repeaters – Testing

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4552341, 4552451, H04L 2708

Patent

active

053772318

ABSTRACT:
An automatic gain control circuit produces a control voltage for a digital baseband line equalizer having a ternary output signal. The circuit includes a capacitor for storing a charge to produce the control voltage, a charge circuit for charging the capacitor if the amplitude of the ternary output signal exceeds a reference voltage, and a discharging circuit for discharging the capacitor only when the ternary output signal is at a non-zero level.

REFERENCES:
patent: 3898380 (1975-08-01), Wilcox
patent: 4204172 (1980-05-01), Sadom et al.
patent: 5124980 (1992-06-01), Maki
patent: 5243625 (1993-09-01), Verbakel et al.

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