FIELD: electrical engineering. SUBSTANCE: invention refers to field of electric measurement. High-speed converter can be used in the capacity of high-speed transducer of code of deviation of current value of input voltage from its nominal value. It includes step-down transformer 1, low-pass filter 2, null detector 3, inverters 4, 26, diode, tank capacitor 6, analog comparators 7, 8, 9, resistive divider composed of resistors, 10, 11, 12, 13, decoder 14, analog keys 15,16, NOT gates 17, 18, 19 with open collector outputs, ballast resistors 20, 21, 22, light- emitting diodes 23, 24, 25, ideal rectifier 27, retrieval and storage unit 28, analog-to-digital converter 29, short pulse formers 37, 38, 30, 31, 40, 41, AND gate 32, NAND gate 39, shift registers 33, 34, digital comparator 35, code converter 36, rectangular pulse generator 42, pulse counters 43, 44, 45, flip-flops 46, 47 with corresponding couplings. EFFECT: enhanced operational reliability and stability. 3 cl, 5 dwg
