数控直流稳压电源总体设计.docx
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2023-09-15
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目 录
一、前言 ....................................................................................................2
二、总体设计方案....................................................................................3
2.1 方案论证......................................................3
2.2 方案比较及选择................................................4
三、单元模块设计 .........................................6
3.1 电压调节电路..................................................6
3.2 LM317 标准电路 ................................................6
3.3 数码管显示电路 .......................................................................................7
3.4 ST89C52 最小系统 ..................................................................................8
四、实验程序 ................................................................................10
4.1 延时模块 ................................................................................................10
4.2 键盘扫描 ................................................................................................10
4.3 数码管显示程序 .....................................................................................11
4.4 利用按键调节输出电压值程序 ...............................................................12
五、硬件调试..........................................................................................16
六、心得体会 ............................................17
七、参考文献 ............................................18
八、附录 ..................................................................................................19
剩余27页未读，继续阅读
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