Discrete automatic gain control with high stability, high speed

Details Discrete automatic gain control with high stability, high speed Discrete automatic gain control with high stability, high speed

1990-01-16

1992-11-03

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

4552491, H04L 2708

Patent

active

051611708

ABSTRACT:
High speed automatic gain control (AGC) circuitry, capable of use in pulse or CW systems, incorporates hysteresis for improving the stability and distortion characteristics of the AGC. After a gain setting is selected, the built-in hysteresis feature prevents an adjustment in that gain setting until the amplitude of the input signal varies more than a predetermined amount. Sampling of the amplitude of the input signal and gain adjustments are accomplished by digital circuitry. In one embodiment, AGC is on a pulse-to-pulse basis.

REFERENCES:
patent: 4864244 (1989-09-01), Sasaki

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