DEVICE FOR RECEIVING LINEAR FREQUENCY MODULATED WIDE-BAND SIGNALS Russian patent published in 1994 - IPC

FIELD: communication engineering. SUBSTANCE: device has the first, the second and the third receivers 1-3 provided with aerials, the first, the second and the third intermediate first frequency amplifiers 8-10, pressing filter 11, frequency detector 12, the first differentiating unit 13, pulse former 14, solving unit 15, the second heterodyne 16, the fourth mixer 17, the second intermediate frequency amplifier 18, the first and the second multipliers 19, 20, the first and the second narrow band filters 21, 22, the first and the second phase detectors 23, 24, the third narrow band filter 25, amplitude detector 26, count pulse generator 27, the first and the second coincidence members 28, 29, the second differentiating unit 30, sweep generator 31, cathode-ray tube 32, the first and the second counters 33, 34, arithmetic unit 35. EFFECT: widened functional capabilities by means of automatic and visual evaluation of parameters of signals to be received. 2 dwg