Audio signal processor

Details Audio signal processor Audio signal processor

1976-11-12

1978-08-29

Griffin, Robert L.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

325 46, 328167, 330109, 307237, H04B 166

Patent

active

041106920

ABSTRACT:
An audio processor for use in an angular modulation transmitter for performing pre-emphasizing, limiting, and low pass filtering functions. Novel pre-emphasis, limiter and low pass filter stages are disclosed.

REFERENCES:
patent: 3109991 (1963-11-01), Ocko
patent: 3626331 (1971-12-01), Burns
patent: 3876939 (1975-04-01), Lerner
patent: 3886469 (1975-05-01), Rollett et al.
patent: 3904978 (1975-09-01), Daniels
patent: 3986049 (1976-10-01), Campell et al.
patent: 3999137 (1976-12-01), Fucito
Textbook by Geffe, "Simplified Modern Filter Design", p. 140, 1963.
Textbook by Huelsman, "Active Filters: Lumped, Distributed, Integrated, Digital and Parametric", pp. 106-126, 1970.

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