基于ATmega16单片机的数控稳压电源设计 |
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引用本文: | 冯喜,梁观胜,何志辉,杨杰.基于ATmega16单片机的数控稳压电源设计[J].电子测试,2016(21):11-13. |
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作者姓名: | 冯喜 梁观胜 何志辉 杨杰 |
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作者单位: | 1. 珠海立飞技术服务有限公司,广东珠海,519000;2. 广东省珠海市质量计量监督检测所,广东珠海,519000;3. 重庆出入境检验检疫局检验检疫技术中心,重庆,400020 |
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摘 要: | 设计一款基于ATmega16单片机的精密数控稳压电源,该单片机内置PWM方波发生器,内置10BIT高精度兰A/D转换器,采用LM317作功率调整器件,高速运放TL084作反馈控制单元,实现电压0-20V连续可调,调整精度±0.01V,最大允许电流2A,分辨率0.01A,输出纹波电压低于100mV,具有恒流输出功能.
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关 键 词: | 数控稳压电源 功率器件LM317 高速运放TL084 |
Design of digital controlled voltage power supply based on ATmega16 MCU |
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Abstract: | Based on ATmega16 MCU design a precision power supply,the built-in MCU PWM generator,the built-in high-precision blue 10BIT A/D converter using LM317 as a power adjustment device, high-speed op amp TL084 for feedback control unit to achieve voltage 0-20V continuously adjustable, adjust accuracy ± 0.01V, Maximum current 2A,resolution 0.01A, output ripple of less than 100mV, a constant current output. |
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Keywords: | Power supply LM317 TL084 |
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