目录
1 设计任务与要求-------------------------------------------------------------------------------1
1.1 基本功能--------------------------------------------------------------------------------------1
1.2 扩展功能--------------------------------------------------------------------------------------1
2 设计原理----------------------------------------------------------------------------------------1
3 设计分析-----------------------------------------------------------------------------------------2
3.1 抢答电路--------------------------------------------------------------------------------------2
3.2 定时电路--------------------------------------------------------------------------------------3
3.3 报警电路-------------------------------------------------------------------------4
3.4 时序控制电路-------------------------------------------------------------------5
4
设计结果----------------------------------------------------------------------------------------6
5 制作结果-----------------------------------------------------------------------------------------7
6 学习心得-----------------------------------------------------------------------------------------8
7 参考文献-----------------------------------------------------------------------------------------9
