数字电位器是一种用数字信号控制电位器滑动端位置的新型器件,它由数字信号控制调节,具有在自动控制系统方面机械电位器无法实现的优点。本文以美国DALLAS 公司的DS1267 型数字电位器为例,介绍数字电位器的结构、原理和典型应用电路。
关键词:数字电位器 DS1267 量程切换 DC—DC 变换器 平衡电桥
Double digital rheostat DS1267 and model application
Zeng Fanling
(Luo Ding Occupation Technical College, Guangdong 527200,China)
Abstract: The digital rheostat is one kind skids the end position newcomponent with the digital signal control potentiometer, it by the digital signal control adjustment, has the merit which is unable inthe automatic control system aspect mechanical potentiometer torealize. This article take American DALLAS Corporation's DS1267 digital rheostat as the example, the introduction digital rheostat structure, the principle and the model applicationelectric circuit.
Keywords:digital rheostat DS1267 measuring range cut DC - DC converter balanced bridge
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