对取样锁相合成器的工作原理、技术特点及应用前景进行了描述，对其相位噪声和环路稳定性进行了分析，重点讨论了环路滤波器与环路扩捕的没计。最后给出了取样锁相合成器典型技术性能。

The operation principle, technique feature an d the future of application of a sampling phase-locked synthesizer are described in this paper. The phase noise and stabilization of loop are analyzed, and the d esignation of loop filter and loop catchingare emphasized .At last, the typical technology performance of the synthesizer is provided.

TN959