FREQUENCY-MODULATED SIGNAL SHAPER Russian patent published in 1995 - IPC

FIELD: radio engineering. SUBSTANCE: frequency-modulated signal shaper has accumulators 1,20, combination adder 2, low-frequency filter 6, controlled generator 7, control signal shaper 15, flip-flop 9, first and second counters 10, 11, AND gate 12, timer 13, multiplexer 14, series-connected frequency divider 16, frequency meter 17, comparison unit 18, code converter 19, switch 8, first storage unit 3, first digital-to-analog converter 4, clock generator 26. In addition, series-connected second accumulator 20, second storage unit 21, band filter 23, phase detector 24, adder 5, OR gate 25 are introduced to reduce random frequency deviations in shaping frequency-modulated signals. EFFECT: provision for shaping signals with any desired frequency modulation mechanism with desired accuracy of frequency generation according to specified law due to entering codes correcting nonlinearity of tuned generator in storage unit. 1 dwg