FIELD: instruments. SUBSTANCE: device has assembly for frequency modulation of input signal and output of modulated signal. Said assembly has memory unit and storage capacitors. In addition device has integration assembly, which has amplifier and integrating capacitor. In addition device has analog-to-digital converter, which has integrating circuit, comparator, multivibrator, and XOR gate. Multiplier circuit has two sigma-delta converters. Assembly for electric measurements has multiplier circuit. EFFECT: increased precision. 9 cl, 6 dwg
