目录
1.正弦波信号发生器课程设计的目的........................................................................1
2.正弦波信号发生器的方案与原理框图....................................................................3
2.1 电路设计方案设计的选择
................................................................................3
2.2 电路设计原理框图............................................................................................4
3.各部分电路的设计....................................................................................................5
3.1 主控制模块的设计
.............................................................................................5
3.2 正弦波发生模块的设计.....................................................................................5
3.3 键控单元的设计.................................................................................................7
4.软件设计
.................................................................................................................... 8
5.弦波信号发生器电路的安装与调试........................................................................9
5.1 100Hz 正弦波波形分析.....................................................................................9
5
.2 10KHz 正弦波波形分析
.....................................................................................9
5.3 10MHz 正弦波波形分析...................................................................................10
6. 结论......................................................................................................................... 11
7
.心得体会
.................................................................................................................. 12
8. 参考文献................................................................................................................. 13
附录一：电路原理图..................................................................................................14
附录二：实物图电路图
..............................................................................................15
附录三：所用仪器和元器件清单..............................................................................16
附录四：控制程序......................................................................................................17
