【摘要】 EWB(Electronics Workbench)是一款方便快捷、功能强大的仿真软件。文章详细介绍了一种利用4518芯片设计数字钟的方法。首次设计出能顺次显示"123456日"的星期计数电路,并用EWB软件进行了仿真,取得了理想的效果。系统主要由振荡器,分频器,计数器,LED显示电路和报时电路组成。最后,本文还介绍了一种具有创新性的星期显示电路。更多还原

【Abstract】 EWB(Electronics Workbench) is a convenient and powerful simulation software.The paper introduces a method for using chip 4518 to design digital electronic clock.A week days counting circuit for sequentially displaying "1234567" is designed firstly.The simulation is implemented with EWB software and the result is rather satisfactory.The system consists of oscillator,frequency-divider,number counter,LED display circuit,and chirping circuit.Additionally,an initiative design of week counting and displaying circuit is introduced in the paper.更多还原