摘要
文章介绍了基于PWM技术的音频D类功率放大器原理和专用IC的结构、功能特性,所设计的D类音频功率 放大器效率达到88％,失真度小于0.5％(THD+N),具有优良的品质,是音频功放的发展方向。
The class D audio power amplifier based on PWM technology, the structure, function and characteristic of special IC are introduced in the paper. Eighty-eight percent of the efficiency for this class D audio power amplifier can be reached and the degree of the distortion for the amplifier can be less than 0.5 percent.So this kind of amplifier has excellent qualities, and it is a direction in audio power amplifier's development.
出处
《湖北汽车工业学院学报》
2003年第3期35-39,共5页
Journal of Hubei University Of Automotive Technology
