FREQUENCY SYNTHESIZER Russian patent published in 1999 - IPC

FIELD: radio engineering; radio transmitting and receiving devices. SUBSTANCE: frequency synthesizer has series-connected first register and multiplier, series-connected standard generator and synchronizing unit, first multiplexer, storage unit, series- connected second register, digital-to-analog converter, and low- frequency filter, N input multiplexers, N first adders, N second adders, and N third registers. Accuracy of synthesizer output frequency depends on that of standard generator even at adder capacity and reference signal frequency other than multiples due to correction of adder capacity during each of its operating cycles. EFFECT: simplified design, improved accuracy of output signal frequency. 2 dwg