基于单片机的直流稳压电源的设计毕业设计论文VIP免费

******大学毕业设计（论文）I 毕业设计论文基于单片机的直流稳压电源的设计******大学毕业设计（论文）II 摘要直流稳压电源是电子技术常用的设备之一，广泛的应用于教学、科研等领域。传统的直流稳压电源几乎都是用旋纽开关调节电压，调节精度不高、难控制、体积大、结构复杂，而且经常跳变，使用麻烦。矚慫润厲钐瘗睞枥庑赖。将单片机数字控制技术融入直流稳压电源的设计中，设计出的数字化直流稳压电源具有数码显示、数字输入调压、电压调节精度高的特点。而且通过软件编程，易于实现功能的扩展。数控电源目前的发展，主要朝着更高的数控精度和分辨率及更好的动态特性；更好的环保性能；智能化与高可靠性；更广泛的应用方向发展。聞創沟燴鐺險爱氇谴净。本设计利用 AT89S51 作为主控芯片，控制数模转换模块DAC0832 的输出电压，通过运算放大器 OPA552 放大输出。设置四个按键，来实现电压的增减，并带有数码显示模块。可以达到每步0.1V 的精度，输出电压范围0~15V，电流可以达到200mA。残骛楼諍锩瀨濟溆塹籟。关键词： 数控电源； AT89S51；DAC0832；OPA552 ******大学毕业设计（论文）III Abstract Direct current voltage-stabilized power supply is one of the commonly used equipment in electronic technology. It’s widely used in teaching, researching and other fields.Most of the traditional direct current voltage-stabilized power supply use the knob switch to adjust the voltage.It has the trouble of low-precision and difficult to control. The structure is complex and the volume is large.酽锕极額閉镇桧猪訣锥。The numerical control technique of single chip microcomputer is adopted in the design of direct current voltage-stabilized power supply for a digitalized.Having numeral display,the direct current power can adjust voltage programmably and differentiate voltage precisely.Moreover,it’s easy to have its function enlarged through the programmer.Numerical control direct current voltage-stabilized power supply mainly toward to high-precision,high-resolution,better dynamic characteristics,better environmental performance,in...