武汉理工大学《数字电子技术》课程设计
目录
1 设计任务与要求..............................................................................................................................1
1.1 设计任务...............................................................................................................................1
1.2 设计要求...............................................................................................................................1
2 原理图设计......................................................................................................................................2
2.1 总体设计概述.......................................................................................................................2
2.1.1 设计总体思路............................................................................................................2
2.1.2 基本原理....................................................................................................................3
2.1.3 系统设计框图............................................................................................................3
2.2 单元电路设计.......................................................................................................................4
2.2.1 分、秒计数器的设计................................................................................................4
2.2.2 秒脉冲发生器............................................................................................................6
2.2.3 循环控制电路............................................................................................................8
2.2.4 单稳态延时电路......................................................................................................11
2.3 总电路设计.........................................................................................................................12
3 Multism 软件仿真..........................................................................................................................15
3.1 Multism 软件简介..............................................................................................................15
3.2 Multism 软件的仿真应用..................................................................................................16
3.2.1 秒脉冲发生电路的仿真..........................................................................................16
3.2.2 计数器及循环电路的仿真......................................................................................17
3.2.3 单稳态延时电路的仿真..........................................................................................18
4 心得体会........................................................................................................................................19
参考文献...........................................................................................................................................21
附录...................................................................................................................................................22
实物制作...........................................................................................................................................23