附录一 元器件清单
序号 1 2 3 4 5 6 7 8 9 10 三极管 二极管 MIC 继电器 电容 9V 104 47uF 发光二极管 4148 9013 类型 芯片 型号 LM324 LM393 CD7408 数量 2 2 1 1 1 4 1 1 2 1
11 12 13 14 15 16 17 18 电阻 200k 47k 10k 2k 1k 1 1 12 2 1 1 3 1 电位器 20 10k 2k
附录二 方案总原理实物图
关键字： LM324 LM393 7408 延时
目 录
第一章设计要求??????????????????????????2 1.1 基本要求??????????? ??????????????2
1.2 设计任务及目标 ??????????????????????2 1.3 主要参考器件 ············································ 2 第二章 电路设计原理及单元模块···································· 3
2.1 设计原理················································· 3 2.2 设计方案················································· 3 2.3 单元模块················································· 4
2.3.1与门7408信号筛选模块 ????????????????4 2.3.2 multisim仿真图???????????????????6 2.3.3 三极管放大模块 ?????????????????? 8 2.3.4 继电器驱动模块??????????????????? 8
第三章 安装与调试···············································10
3.1 电路的安装···············································10 3.2 控制驱动电路的调试········································10 3.3 系统调试?????????????????????????11 第四章 实验小结················································12
4.1 心得与体会 ··············································12 4.2 结论???????????????????????????13 参考文献·························································14 附 录一························································· 15 附 录二························································· 16
第一章 设计要求
1.1 基本要求：
（1）白天由于光敏电阻或其它器件控制，不受声音的影响，不工作。 （2）晚，正常受声音控制，拍手之类的声音灯亮，亮后30秒熄灭；
1.2设计任务及目标： （1）根据所学知识画出设计原理图。 （2） 分析各模块电路的功能。
（3）按原理图焊接好电路，然后调试，直到达到设计要求。 （4）完成课程设计报告。 1.3 主要参考器件：
LM324 LM393 与门7408
第二章 电路设计原理与单元模块
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