FIELD: computer engineering; hybrid analog-to-digital devices and analog signal processing systems. SUBSTANCE: device has analog-to-digital converter, digital-to-analog converter, adder, sine-wave voltage generator, null device, phase-shifting unit, ac-to-dc voltage converter, driven multivibrators, analog memory unit, subtraction unit, comparators, NAND gates, modulus generator, reversing counter, and reference voltage supply. Modulus of second orthogonal component of vector can be determined in transient mode. EFFECT: enlarged functional capabilities; enhanced speed of response to successive vector changes. 2 cl, 3 dwg
