计数译码显示电路的设计与实现

Design and Implementation of Count Decoding Display Circuit

在日常生活工作中,计数器应用广泛,尤其应用于各种体育比赛活动、交通信号灯等。为此,设计制作了基于数字电路的计数译码显示电路;介绍了该电路的总体设计方案、基本工作原理和实物制作与调试,并用示波器测量了波形。计数译码显示电路主要由RC音频振荡器、施密特整形电路、10/100计数分频电路、译码驱动显示电路和电源电路组成,使用本设计可以很好地实现计数显示。

In daily life,the counter is widely used,especially in various sports activities,traffic lights and so on.Therefore,this paper designs and makes a count decoding display circuit based on digital circuit.This paper mainly introduces the overall design scheme,basic working principle,production and debugging of the circuit,and measures the waveform with an oscilloscope.The counting decoding display circuit is mainly composed of RC audio oscillator,Schmidt shaping circuit,10/100 counting frequency division circuit,decoding display circuit and power supply circuit.Using this design can realize the count display well.