Video signal play-back circuit

Details Video signal play-back circuit Video signal play-back circuit

1982-07-01

1986-04-29

Mullins, James B.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of equalizing

330107, 330149, 330277, 330294, 330300, 360 67, G11B 545, G11B 502, H03F 134

Patent

active

RE0321320

ABSTRACT:
In a video signal play-back circuit connected so that a play-back signal from a magnetic head may be applied to an amplifier circuit through a resonance circuit which consists of an inductance element and a capacitance element, a resistor for adjusting the quality factor Q of the resonance circuit is connected between one terminal of the resonance circuit and one output terminal of the amplifier circuit, thereby to reduce thermal noises which develop from the Q adjusting resistor.

REFERENCES:
patent: 2828368 (1958-03-01), Wiegand
patent: 3007010 (1961-10-01), Erath et al.
patent: 3026380 (1962-03-01), Reher et al.
patent: 3068327 (1962-12-01), Davidson
patent: 3310637 (1967-03-01), Skov
patent: 4041538 (1977-08-01), Parker
patent: 4093965 (1978-06-01), Gish
patent: 4134140 (1979-01-01), Wright et al.
Faulkenberry, An Introduction to Operational Amplifiers with Linear IC Applications, John Wiley & Sons, Copyright 1977, 1982, pp. 409, 410.

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