Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1980-12-18
1982-06-08
Shoop, William M.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
307553, 307562, 307264, 330284, 455234, 455249, G05F 144
Patent
active
043341853
ABSTRACT:
A circuit for automatic gain control of a feedback system in a time that is essentially constant regardless of the signal level includes a device for producing a signal that is representative of the output of the circuit. The signal is compared with a fixed reference to determine an error signal. The error signal is multiplied by its own time integral to obtain a control signal for a weighter that is cascaded with an amplifier to provide a controlled forward path. By this means, gain of the controlled forward path is controlled within a time that is substantially independent of signal strength.
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Piesinger Gregory H.
Turney William J.
Gillman James W.
Motorola Inc.
Reynolds Donald P.
Roney Edward M.
Shoop William M.
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