AM receiver

Details AM receiver AM receiver

1975-12-19

1978-10-17

Griffin, Robert L.

325319, 325392, 325405, H04B 128

Patent

active

041211618

ABSTRACT:
An AM receiver comprises an intermediate frequency amplifying stage and a detector stage. The intermediate frequency amplifying stage includes an automatic gain controlled amplifier which functions as a positive feed back amplifier when received signals are under a predetermined level, and functions as a negative feed back amplifier when received signals are over the predetermined level.

REFERENCES:
patent: 3176238 (1965-03-01), Dickerson, Jr.
patent: 3394315 (1968-07-01), Gray
patent: 3550040 (1970-12-01), Sinusas
patent: 3566276 (1971-02-01), Finkel
patent: 3665317 (1972-05-01), Crow
IRE Trans. On BC & TV Rec. Procedings of the IRE, BTR-1 No. 2, Apr. 1955, pp. 1119-1127, Automatic Gain Control of Transistor Amplifiers., W. F. Crow.

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