| 摘要 |
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
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