Automatic gain control apparatus

Details Automatic gain control apparatus Automatic gain control apparatus

1992-12-03

1995-11-07

Trammell, James P.

Boots, shoes, and leggings

375345, G05B 1302

Patent

active

054652057

ABSTRACT:
The automatic gain controller is comprised of a multiplier for multiplying an input signal by a given AGC multiplication factor to produce an output signal. An adder is provided for subtracting a target value from the output signal and adding an integrated value of an error value from the adder to the output signal to produce error value. An integrator to compute the integrated value of the error value from the adder. An operator is provided for computing a compensation value based on the error value according to a predetermined polynomial. An accumulator is provided for producing said AGC multiplication factor according to the compensation value. The automatic gain controller is composed of a digital signal processor specifically programmed to functionally constitute those of the multiplier, the adder, the operator, and the accumulator.

REFERENCES:
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patent: 4334185 (1982-06-01), Turney et al.
patent: 4646275 (1987-02-01), Smith
patent: 4989074 (1991-01-01), Matsumoto
patent: 5053877 (1991-10-01), Kondo et al.
patent: 5107225 (1992-04-01), Wheatley, III et al.
patent: 5134631 (1992-07-01), Kingston et al.
patent: 5216345 (1993-06-01), Eyerly
patent: 5220468 (1993-06-01), Sidman

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