基于DA1230的锯齿波信号发生器的设计

Esign of a sawtooth wave signal generator based on DA1230

信号发生器作为常用的信号源,被广泛的应用在生产实践、通信、电子测量系统及教学实验等领域。因此,如何设计经济且高效的信号发生器已成为电子测试领域的热点问题。本文采用AT89C51作为主控制器,利用DA1230将数字信号转换成模拟信号来实现锯齿波的产生。本文要求该系统产生的锯齿波幅值为0V-5V,频率为100Hz-1000Hz可调,幅值及频率实时显示。

As a commonly used signal source,signal generators are widely used in the fields of production practice,communication,electronic measurement systems,and teaching experiments.Therefore,how to design an economical and efficient signal generator has become a hot issue in the field of electronic testing.This paper uses AT89C51 as the main controller,and uses DA1230 to convert digital signals into analog signals to achieve the generation of sawtooth waves.This article requires that the amplitude of the sawtooth wave generated by this system is 0-5V,the frequency is adjustable from 100-1000Hz,and the amplitude and frequency are displayed in real time.