FIELD: physics.
SUBSTANCE: device includes a receiving optical system, a multielement photodetector optically coupled with said system, n signal processing channels, each consisting of a preamplifier, a threshold device and a two-input OR circuit, a monostable multivibrator, n control signal generators, each having a two-input AND circuit, an analogue switch, a pulse duration normalisation circuit and a stabilised voltage source.
EFFECT: enabling verification of processing of output signals of a photodetector during operation without using a radiation source located in the field of view of the device.
1 dwg
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