A laser charging power supply and its control circuit consisting of a piece of IC a transistor and a transformer are described This power supply can achieve charging 10 times per second and provide 5V power for range counter .

本文简述了用一块集成电路、一只 晶体管、一个变压器，组成每分钟10次的激光电源充电电路及控制电路、距离 计数器5V电源的原理。