Matched record/playback AGC amplifier system

Details Matched record/playback AGC amplifier system Matched record/playback AGC amplifier system

1991-05-28

1992-03-31

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of the amplifier

G11B 502

Patent

active

051013100

ABSTRACT:
An automatic gain control (AGC) system to be used in record/playback mode erein input signals over a wide dynamic range are recorded in the field. The recorded signals are then played back using the AGC system in order to recover the amplitudes of the original signals with high fidelity. The AGC system obtains record/playback gain reciprocity in the record and playback modes and thus effectively nullifies inherent gain control nonlinearity.

REFERENCES:
patent: 3379839 (1968-04-01), Bennett
patent: 3657489 (1972-04-01), Clark, Jr.
patent: 3997914 (1976-12-01), White
patent: 4169219 (1979-09-01), Beard

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