在锁相环频率合成器中,双模前置分频器是一个速度瓶颈。
In PLL frequency synthesizers, dual modulus prescaler is a bottleneck in achieving a higher operation speed.
分析了双模前置分频器的工作原理,提出了提高其工作速度的方法,包括给出一种新型高速CMOS动态D触发器的设计以及同步分频器的改进。
Through analyzing its work principle, we find the method to raise the speed: use a novel CMOS dynamic D flip-flop and an improved synchronous frequency divider.
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