摘要
阐述了一种基于单片机ATmega64的红外驱动电源的设计,系统包括恒流源电路、DA转换、PWM和软件设计等,采用MAX4544和74123实现了对电路的保护和PWM的准确输出。
This paper expounds the design of power supply for infrared emitting diode based on SCM ATmega64, which includes the constant-current source, DA conversion, PWM and software design, and adopts MAX4544 and 74123 to realize the protection of the current and the correct output of PWM.
出处
《科技情报开发与经济》
2007年第8期241-242,共2页
Sci-Tech Information Development & Economy
