基于FPGA的智能数字锁相环实现

Implementation of an intelligent digital phase-locked loop based on FPGA

分析了数字锁相环路的基本原理及实现过程,论述了一种利用FPGA器件中的锁相环部分来实现高精度数字锁相的方法,具有可编程性、线路简单、捕捉速度快以及跟踪精度高等特点,并通过仿真对结果进行了验证。

The fundamental principle and the realization process of digital phase-locked loop are analyzed. This paper expounds a method of high precision digital locked phase with the phase-locked loop of FPGA. The proposed method has properties of programmable function, the simple circuit, quick-operating capture, high precision of frequency tracking, etc. It is confirmed through simulation.