目 录
1．设计指标...................................................................................................................2
2.设计方案及其比较........................................................................................................2
2.1 方案一.......................................................................................................................................................2
2.1.1 原理图............................................................................................................................................2
a. 方案一原理图..............................................................................................................2
2.1.2 电路原理........................................................................................................................................3
2.1.3 电路数据........................................................................................................................................3
2.1.4 数据计算........................................................................................................................................3
2.1.5 调节数据........................................................................................................................................4
2.1.6 元器件功能....................................................................................................................................4
2.2 方案二.......................................................................................................................................................4
2.2.1 原理图............................................................................................................................................4
b. 方案二原理图.............................................................................................................4
2.2.2 电路原理........................................................................................................................................5
2.2.3 电路数据........................................................................................................................................5
2.2.4 数据计算........................................................................................................................................5
2.3 方案三.......................................................................................................................................................5
2.3.1 电路原理图....................................................................................................................................6
c. 方案三原理图.............................................................................................................6
2.3.2 电路原理........................................................................................................................................6
2.3.3 参数计算........................................................................................................................................7
2.3.4 调节数据........................................................................................................................................7
2.4 方案比较...................................................................................................................................................7
3 实现方案.....................................................................................................................8
3.1 器件介绍...................................................................................................................................................8
3.2 原理图.....................................................................................................................................................11
3.3 电路器件................................................................................................................11
3.4 电路数据.................................................................................................................................................11
R1=47k ;R2=30k ;R3=10k ;R4=10k ;C1=47u ；C2=0.05u ;C3=50u ;VCC=6V.......11
3.5 电路原理.................................................................................................................................................11
3.6 参数计算.................................................................................................................................................12
3.7 调节数据.................................................................................................................................................12
3.8 元器件功能.............................................................................................................................................12
3.9 布线图.....................................................................................................................................................13
3.10 思考题...................................................................................................................................................13
4 调试过程及结论..........................................................................................................13
4.1 调试过程.................................................................................................................................................13
4.2 设计结论.................................................................................................................................................14
5 心得体会...................................................................................................................14
6 参考文献...................................................................................................................15
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