一种由555定时器实现的节能定时控制电路

555定时器是一种数模混合的中规模集成电路,它使用灵活、方便,被广泛应用于脉冲的产生、整形、定时和延迟等电路中。本文介绍了555定时器构成的单稳态触发器的工作原理,论述了一种由555单稳态触发器实现的节能控制电路,说明在实际生产中,只要将555定时器各个功能加以综合应用,便可得到许多实用电路。

Applications of 555 multivibrator in simulated sound electronic circuits

555 timer is a kind of medium-scale integrated circuits,it can be widely used in pulse generating,shaping,timing and delay circuit flexibly and conveniently.This paper introduces the basic functions of multivibrator composited by 555 timer,discusses its applications in energy-saving timing control electronic circuits through examples,indicates that we can get many practical circuits in the actual production,as long as its various functions to be integrated applications.