NASA NTRS · 19650000210
Detector circuit compensates for vidicon beam current variations
Abstract
Signal detector circuit compensates for black level shifts in vidicons by dark current cancellation. It clamps the video signal to the dark current component of the signal. The device also compensates for background noise variation or transducer bias fluctuations in other repetitive pulse systems.
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1965-07-01. Detector circuit compensates for vidicon beam current variations. https://ntrs.nasa.gov/citations/19650000210
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