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介绍了频率合成器的技术现状,分析了各种频率合成技术的特点,提出并设计实现了一种低杂散高速跳频频率合成器,减小了小数分频锁相环频率合成器的整数边界杂散,具有低杂散、低相噪和小型化的特点。
The current status of the frequency synthesizer is introduced. The characteristics of the various frequency synthesizers are analyzed. A low-spurious high-speed frequency hopping synthesizer is proposed and designed to reduce the integer fraction of the fractional-frequency PLL synthesizer Boundary spurs with low spurious, low phase noise and miniaturization.