1.了解锁相环的工作原理。 2、学习使用Cyclone器件中的嵌入式锁相环。 3、掌握数字存储示波器的使用方法。 4、测试嵌入式锁相环输出信号的特性。 -1. To understand the working principle of phase-locked loop. 2, learning to use Cyclone devices in the embedded phase-locked loop. 3, the digital storage oscilloscop

数字存储示波器的组成以及测试中需要注意的地方，经典资料，适合初学者。-The composition of digital storage oscilloscope and test areas that need attention, classical information, suitable for beginners.

基于51单片机的系统编程，内附详细C语言编码，各个模块都很具备。-The program suggested that the digital storage oscilloscope based on 51 single chip microcomputer