目录
前言······························································1
第一章 设计内容及要求············································2
第二章 系统设计方案选择
2.1 方案一···················································3
2.2 方案二···················································4
第三章 系统组成及工作原理
3.1 系统组成··················································5
3.2 工作原理··················································5
第四章 单元电路设计、参数计算、器件选择
4.1 控制电路···················································6
4.2 秒脉冲发生电路·············································6
4.3 计数器·····················································7
4.4 译码显示电路···············································8
4.5 报警电路···················································10
第五章 实验、调试及测试结果与分析································11
结论······························································12
参考文献··························································12
附录一····························································13
附录二···············································
