Video signal dc restoration circuit

Details Video signal dc restoration circuit Video signal dc restoration circuit

H - Electricity

04

N

350/83

H04N 5/18 (2006.01)

Patent

CA 1219356

RCA 80,212 Abstract In a wideband video signal processing system, video output signals from a video driver amplifier are passively AC coupled to an intensity control electrode of an image display device. A keyed feedback DC restoration circuit is connected to the intensity control electrode via a high impedance resistor network comprising the feedback path of the restoration circuit. Image brightness control is accomplished via the restoration circuit without varying the operating point of the driver amplifier.

466471

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