以STC89C51单片机为核心设计了一个低频函数信号发生器。信号发生器采用数字波形合成技术,通过硬件电路和软件程序相结合,可输出自定义波形,如正弦波、方波、三角波、三角波、梯形波及其他任意波形-Designed a low frequency function generator. Signal generator with digital waveform synthesis techniques, hardware circuits and software programs through the combination of custom output waveforms such as sine, square, triangle, triangle, trapezoid spread to other arbitrary waveform