MULTIFREQUENCY RECEIVER Russian patent published in 1994 - IPC

FIELD: electrical communication. SUBSTANCE: multifrequency receiver has input matching unit 1, first and second strip-line filters 2, 3, time-pulse generator 4, first and second units 5, 6 for computing signal magnitude, first and second integrators 7, 8, first and second delay circuit elements 9, 10, first and second comparators 11,12, first and second electronic keys 13, 14, first and second counters 15, 16, first and second inverters 17,18, third and fourth comparators 19,20 first, second and third AND gates 21,22,23, third delay circuit element 24, first and second triggers 27,28, third integrator 29. EFFECT: increased noise stability at multifrequency reception. 2 dwg