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。
It works by the online type direct current chopped wave voltage stabilizing way and attains the voltage stabilizing 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。
Take a typical voltage stabilizing circuit for example to clarify the methods and techniques of their realization.
以一个典型的稳压电路为例，阐明其实现的方法与技巧。
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