可调方波发生器，可以控制方波的幅值，频率，占空比。,Adjustable square wave generator, square wave to control the amplitude, frequency, duty cycle.

DA转换 多波形发生器 方波 三角波 锯齿波-Waveform Generator Multi-waveform

基于音频波形发生器，可以输出正弦波，方波等波形。-The waveform generator of this paper is a development platform based on MATLAB, using the sound card output, and then connected to the op amp circuit with an oscilloscope, so that observed on an oscilloscope. After repeated t