数电课设之简易电子琴

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1、武汉理工大学《数字电子技术基础》课程设计说明课程设计任务书学生姓名：辛威专业班级：电子1002班指导教师：韩屏工作单位：信息工程学院题目:简易电子琴设计（数字）初始条件：可选元件：集成运算放大器LM324、电阻、电位器、电容若干，直流电源Vcc=+12V，或自备元器件。可用仪器：示波器，万用表，直流稳压源，函数发生器要求完成的主要任务:（包括课程设计工作量及其技术要求，以及说明书撰写等具体要求）（1）设计任务根据已知条件，完成对简易电子琴电路的设计、装配与调试。（2）设计要求①设计一简易电子琴电路，按下不同琴键即改变RC值，能发出C调的八个基本音阶，采用运算放大器构成振

2、荡电路，用集成功放电路输出。已知八个基本音阶在C调时所对应的频率如下表所列C调1234567if/Hz264297330352396440495528②选择电路方案，完成对确定方案电路的设计。计算电路元件参数并画出总体电路原理图，阐述基本原理。（选做：用PSPICE或EWB软件完成仿真。）③安装调试并按规定格式写出课程设计报告书。时间安排：1.2012年12月31日分班集中，布置课程设计任务、选题；讲解课设具体实施计划与课程设计报格式的要求，课设答疑事项。2.2011年12月31日至2012年1月4日完成资料查阅、设计、制作与调试。3.2012年1月4日至2012年1月

3、5日完成课程设计报告撰写。4.2012年7月5日提交课程设计报告，进行课程设计验收和答辩。指导教师签名：年月日系主任（或责任教师）签名：年月日19武汉理工大学《数字电子技术基础》课程设计说明目录1总体设计················································································31.1设计背景··········································································31.2设计任务和要求·············

4、······················································31.2.1设计任务······································································31.2.2设计要求······································································31.3设计思路··································································

5、·········42原理与器件选择··········································································72.1电路图············································································72.1.1主板电路·····································································72.1.2键盘电路························

6、············································72.1.3扩展电路····································································719武汉理工大学《数字电子技术基础》课程设计说明2.2原理简述·············································································72.3器件的选择················································

7、···························82.3.1主板部分···································································82.3.2键盘部分····································································82.3.3扩展部分···································································83实物制作与输出波形··