the paper analyzes the design method of passive loop filter thoroughly, and presents a effective design method. the method has obvious advantage comparing to the design method in existence.
对锁相环的环路滤波器的设计方法进行了深入研究,给出了一种环路滤波器设计方法,该设计方法与现有设计方法相比具有较明显的优点。
this paper gives the design and experimental results of low noise npll frequency synthesizer and concludes that the passive loop filter is more suitable for low noise design than active loop filter.
介绍低相噪npll频率综合器的设计及实验结果。提出用无源环路滤波器比用有源环路滤波器更好,可获得低相噪设计。
we present the designing result of passive loop filter .
其次,介绍了锁相环的设计和环路滤波器的设计;