一种555定时器应用电路的OrCAD分析与设计方法

An analysis method of 555 timer application circuit based on Or CAD/pspice

通过对555定时器工作原理的分析与研究,提出了利用OrCAD/Pspice仿真软件分析并设计555定时器应用电路如单稳态触发电路、多谐振荡电路以及施密特触发电路的方法。仿真结果表明所设计的各种电路与理论分析吻合。为设计555定时器应用电路、选择元器件参数、优化电路等提供了可靠的理论依据,提高了电路应用的可靠性。

A kind of analysis and designation method of 555 timer circuit such as Smith flip-flop,multivibrator circuit and monostable flip-flop is introduced in this paper through the study of 555 timer circuit.The simulation results verify that the designed circuit quiet meet with the theory analysis,which not only provide reliable theory evidence for the designation of 555 timer circuit,the determination of circuit performance and optimized method of circuit but also the reliability of these circuits during used ha...