This article will introduce an improved 78xx voltage-stabilizing circuit, which avoids the weaknesses of the traditional circuit and also improves the transforming efficiency.
文章介绍了78 XX系列三端稳压电路的改进电路，克服了传统电路的缺点。
2
It works by the online type direct current chopped wave voltagestabilizing way and attains the voltagestabilizing precision by the control of PWM.
它采用在线式直流斩波稳压的形式工作，用PWM控制来达到所需的稳压精度。
3
Take a typical voltagestabilizing circuit for example to clarify the methods and techniques of their realization.