FIELD: radio-electronics, possible use in radio-receiving devices and radio-measuring equipment.
SUBSTANCE: frequency detector of radio-electronic equipment contains auto-generator (1) being researched, power dividers (2) and (9), frequency discriminator of interference type (3), phase shifters (4) and (7), balancing amplitude modulator (5), shift generator (6), UHF amplifier (8), mixers (10) and (11), amplifiers of intermediate frequency (12) and (13), phase detectors (14) and (15), low frequency amplifiers (16) and (17), subtracting device (18).
EFFECT: increased sensitivity of frequency detector.
3 dwg
