ACOUSTIC-OPTICAL RECEIVER Russian patent published in 1996 - IPC

FIELD: radio engineering. SUBSTANCE: receiver has the first aerial, frequency converter, the first and the second local oscillators, the first and the second mixers, the first to the fifth intermediate frequency amplifiers, the first to the third amplitude detectors, the first to the third switches, laser, collimator, the first to the third Brag cells, the first to the third lenses, the first to the third photodetectors, the second aerial, the first multiplier, the first narrow band filter, the second multiplier, the second narrow band filter, the first phase detector, the first indicator, the first 90 deg phase shifter, the first scaling multiplier, the second by 90 deg phase shifter, the second phase detector, the second indicator, the third multiplier, the third phase detector, the third indicator, the third by 90 deg phase shifter, the third scaling multiplier, the fourth phase detector, the fourth indicator, the fourth multiplier, the fourth narrow band filter, the fifth phase detector, the fifth indicator, the fourth by 90 deg phase shifter, the fourth scaling multiplier, the sixth phase detector and the sixth indicator. Device permits to take direction finding of complicated signal radiation source at basic and mirror frequencies. EFFECT: widened functional capabilities. 1 dwg