DEVICE FOR RECEPTION OF SIGNALS HAVING LINEAR FREQUENCY MODULATION Russian patent published in 1994 - IPC

FIELD: radio engineering. SUBSTANCE: device has receiver 1, two mixers 2 and 3, two heterodynes 4 and 5, two multipliers 6 and 21, narrow-band filter 7, four wide-band filters 8, 9, 10 and 22, three compressing filters 11, 16 and 25, three frequency detectors 12, 17 and 26, three differentiating units 13, 18, and 27, three surge injectors 14, 19, and 28, three solving units 15, 20 and 29, phase inverter 23, adder 24. EFFECT: increased range of working frequencies due to use of first and second mirrored receiving channels. 2 dwg