Fast response, equalized AGC amplifier
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United States of America Patent
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Sep 11, 1984
Grant Date -
N/A
app pub date -
Nov 12, 1982
filing date -
Nov 12, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An AGC amplifier having a fast response for recovery and reacquisition of gain control in microseconds after a signal break including a first and second amplifiers interconnected by a delay line equalizer. An integrator control loop is responsive to the output of the second amplifier and is connected to the control means provided on the first amplifier and includes a feedback loop having a peak detector, an ideal integrator connected to the output of the peak detector and directly controlling the first amplifier using an ideal integrator capacitor loop during control operation and having a switch removable reset loop for operating as a fixed high gain amplifier in the absence of signal. The latter is determined by a comparator operating to receive a second peak detector signal not in the control loop.
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