DIGITAL SYNTHESIZER OF FREQUENCY-MODULATED SIGNALS Russian patent published in 2001 - IPC

FIELD: electronic-computer engineering; radar and navigation equipment, broad-band adaptive communication and programmable frequency-tuning systems. SUBSTANCE: digital frequency synthesizer has clock generator, delay unit, read-only memory unit, two memory registers, two digital accumulators, code converter, digital-to-analog converter, low-frequency filter, two adders, phase error corrector, frequency error corrector, and variable-ratio divider. EFFECT: enlarged functional capabilities; improved linearity of wave frequency and phase variation mechanism at device output with same speed. 2 dwg