DIGITAL FREQUENCY SYNTHESIZER Russian patent published in 2000 - IPC

FIELD: radio engineering. SUBSTANCE: frequency synthesized designed for shaping frequency grid in radio transmitting and radio receiving devices as well as in miscellaneous synchronizing devices has code accumulator 1, amplitude storage unit 2, digital-to-analog converter 3, low-frequency filter 4, device output bus 5, reference generator 6, synchronizing unit 7, switch 8, multiplier 9, phase-shifting adder 10 incorporating provision for reduced requirement to speed of response, frequency-setting code input bus 11, input bus 12 for phase-keyed signal shaping code, N-1 phase-shift units 13, N registers 16, and storage register 17. EFFECT: simplified design at same synthesized-frequency range. 1 dwg