FIELD: automatic control and computer engineering; electric measurement technology. SUBSTANCE: integrator that has integrating operational amplifier 1, voltage comparator 3, discharging switch 2 inserted in negative feedback circuit of operational amplifier 1, and one-shot multivibrator 5 is provided, in addition, with square-pulse frequency divider 4 connected between comparator and one-shot multivibrator. EFFECT: enhanced continuous-integration precision with non-sinusoidal voltage applied to device input. 7 dwg
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