VOLTAGE LEVEL MEASURING DEVICE Russian patent published in 1994 - IPC

FIELD: measurement technology. SUBSTANCE: device for measuring avoltage level has decoders 1 and 2 outputs of which are connected to output buses 3 and 4; reversible counters 5 and 6; triggers 7 and 8; AND gate 9; NOR gates 10 and 11; NOT gates 12 and 13; input bus 14 of a measured signal; input bus 15 of measurement cycle start pulses; input bus 16 of clock pulses and sign output bus 17 digit outputs of reversible counter 5 being connected to binary code inputs of decoder 1; modulo 2 adder 18; reference voltage shaper 19; reversible counter 20; counter-decoder 21; shaper 22 of time interval in which reference voltage exceeds an upper measurement limit; shaper 23 of time interval in which the reference voltage exceeds the voltage being measured; unit 24 for stopping indication at exceeding the measurement upper limit; amplitude detector 25; controllable voltage divider 26; NOR gates 27 and 28; Not gates 29, 30 and 31 and input reference voltage bus 32. EFFECT: enhanced accuracy. 1 dwg