FIELD: measuring equipment.
SUBSTANCE: invention relates to measuring technology, in particular to analogue-to-digital converters, and can be used in digital systems for measuring and monitoring analog values. Device comprises comparison circuit, digital-to-analog converter, trigger, pulses generator, counter, register, read-only memory, reading ADC, sign determination and negative voltages inverting unit, which includes analog inverter, comparator, and two analog keys.
EFFECT: enabling the possibility of analog-to-digital conversion of not only of unipolar positive but also unipolar negative and bipolar signals, increase in the circuit accuracy and speed, and reducing the circuit complexity.
1 cl, 4 dwg, 1 tbl
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