用 TI TL494 集成控制芯片制作的MOS D类功放电路，含有原理图及PCB图-With TI TL494 integrated control chip making MOS D class power amplifier circuit, contain principle diagram and PCB figure

用时钟芯片555制作的D类功放，含有原理图及PCB图-Use a clock chip made of 555 D amplifiers, contain principle diagram and PCB figure

AVR 单片机制作的D类功放，用AVR 自带的AD采样音频输入，产生调制的PWM波，驱动功率H桥，然后滤波成放大的具有驱动能力的音频信号，驱动喇叭播放音乐。完全用程序实现，里面存有正弦波的数据，也可以输出正弦波。-AVR microcontroller produced by the Class D amplifier, the AVR AD sampling the audio input, to generate the modulation of PWM wave-driven power

STC单片机做的一个D类功放的程序，通过采集音频信号转换PWM实现。-STC microcontroller to do a class D amplifier program