FIELD: radio engineering. SUBSTANCE: device for automatic frequency tuning has controlled generator 1, AND gates 2, 6, 7, 10, 11, 13 and 16, OR gates 3 and 14, counters 2 and 15, reversible counter 12, former 9 of controlling signals, pulse generator 5 and digital-to-analog converter 8. Device provides for fixing carrier frequency of input radio pulse, after this it generates error of frequency mismatch in the form of steady-state code across reversible counter 12. EFFECT: enhanced precision. 1 dwg
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