FIELD: measurement technology, high-accuracy measurements of phase shifts Fo and amplitudes of harmonic signals, correlation analysis. SUBSTANCE: proposed device has first and second inputs 1 and 2, second divider 3, former 6 of controlling pulses, first retrieval and storage unit 4, second retrieval and storage unit 5, adder 8, unit 7 to extract square root of sum of squares of two values, first switch 9, first divider 10, trigonometric converter 11, second switch 12, comparator 13, first and second output buses 14 and 15 with proper couplings. EFFECT: high-accuracy determination of both phase and amplitude characteristics of harmonic signals. 2 cl, 5 dwg
