FIELD: educational aids for analyzing noise immunity of video detectors and various radar system units and parts. SUBSTANCE: device has video signal generator, noise generator, divider unit, commutator, double-input adder, video detector, preamplifier, filter, amplitude resolver unit, threshold element, shaper, switch, logical unit, first through fourth mode selector switches, AND gate, pulse counter, three more switches, delay line with P+2 taps, five more pulse counters, one-shot multivibrator, four more shapers, P+1 switches, three P-input adders, P amplitude adusters, low-frequency filter, subtracter unit, group of P delay elements, three-input adder, two differentiating units, Schmitt flip-flop, four code-to-voltage converters, two decoding units, divider unit, one more delay element, asynchronous RS flip-flop, and display unit. EFFECT: improved design. 6 dwg
