| 基于MAX5494的电子测量供电系统电路设计 |
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| 引用本文： | 冯作全,祁文哲. 基于MAX5494的电子测量供电系统电路设计[J]. 工业控制计算机, 2009, 22(9): 85-86 |
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| 作者姓名： | 冯作全 祁文哲 |
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| 作者单位： | 兰州交通大学,甘肃,兰州,730070;兰州交通大学,甘肃,兰州,730070 |
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| 摘 要： | 在传统的电子测量供电系统电路中，主要依靠人工来控制模拟电位器，这使其存在很多局限性。为了克服这些不足，利用单片机AT89C51来控制数字电位器MAX5494，实现了测量供电系统电路的自动调节和控制，不仅大大简化了电路，而且提高了系统可靠性，从而改进了传统的电子测量供电系统电路。
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| 关 键 词： | 数字电位器 电压比较器 SPI总线 接口 协议 |
Electronic Measurement Circuit With Power Supply System Based on MAX5494 |
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| Abstract: | In the traditional electronic measurement circuit with power supply system,Mainly rely on manual to control the simulation potentiometer,This makes it exists many limitations.In order to overcome these deficiency,this paper using AT89C51 to contral the digital potentiometer,which realizing the automatic adjustment and control for the electronic measurement circuit with power supply system .Not only greatly simplifies the circuit,but also improve the system reliability,thus greatly improved the traditional electronic measurement circuit with power supply system. |
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| Keywords: | digital potentiometer voltage comparator spi-bus interface protocol |
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