555定时器的典型电路及其实际应用

Typical Circuit of 555 Timer and Its Application

介绍555定时器的结构与工作原理,对比分析由555定时器构成的单稳态触发器、施密特触发器和多谐振荡器3种典型电路,举例分析了555定时器的实际应用。

Both structure and working principle of 555 timer were introduced and three typical circuits of the 555 timer-based monostable trigger, Schmidt trigger and multivibrator were comparatively analyzed, including the 555 timer＇ s application.