目录第一章设计目的及技术要求·····························1第一节设计概述····································1第二节技术要求····································1第三节设计目的····································1第二章电路方案的选择·································2第一节解读技术要求································2第二节确定方案····································3第三章电源电路设计···································4第一节电源电路原理图······························4第二节电路元件的选择及型号的确定··················5第四章光控电路设计···································7第一节电路原理图及各部分电路的功能分析············7第二节电路元件参数整定····························9第五章声控延时电路设计·······························10第一节电路结构及功能分析·························10第二节元器件参数的计算及型号选择·················12第六章课程设计总结及体会·····························17第一节课程设计总结·······························17第二节设计体会···································18参考资料·····