FIELD: information technology.
SUBSTANCE: invention can be used particularly in designing television cameras in which sensitivity is regulated by automatically changing the accumulation time of the photodetector made from a matrix of charge coupled devices (CCD matrix). The device for automatic regulation of accumulation time, having series-connected video signal processing unit and video signal level evaluating unit, as well as a first comparator, a saw-tooth voltage generator, a D flip-flop and a level conversion unit, also includes a second comparator, a bias voltage source, an adder and an RS flip-flop.
EFFECT: design of a device for automatic regulation of accumulation time with high noise immunity, which prevents faults in the level of the output pulse in intervals exposed to noise.
5 dwg
