八路呼叫器的设计

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1、八路呼叫器24目录摘要..................................................................................3第一章八路呼叫器设计任务、要求和方案...................................................41.1设计题目.........................................................................41.2设计任务与要求.................................

2、..................................41.2.1设计任务....................................................................41.2.2典型模块与主要元件..........................................................41.3设计方案.........................................................................41.3.1设计要求............

3、........................................................41.3.2工作原理....................................................................4第二章单元电路设计.....................................................................62.1输入回路...................................................................

4、......62.2锁存器控制电路...................................................................82.3七段LED数码管显示电路...........................................................10第三章总电路图及其原理说明............................................................163.1输入锁存.............................................

5、...........................163.2编码和译码显示..................................................................163.3报警系统........................................................................16第四章仿真和电路调试及其分析..........................................................174.1仿真结果及分析................

6、..................................................174.2调试电路及其分析................................................................17第五章八路呼叫器总电路原理图和仿真图..................................................18结论...................................................................................20参考

7、文献...............................................................................21致谢...................................................................................22附录...................................................................................2324摘要本文的八路呼叫器电路由