| 数字电位器ADN2850及其在光传输校准系统中应用 |
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| 引用本文： | 葛敏,卢胜宏,王维俊,施元春,郭军华.数字电位器ADN2850及其在光传输校准系统中应用[J].后勤工程学院学报,2005,21(1):38-40. |
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| 作者姓名： | 葛敏 卢胜宏 王维俊 施元春 郭军华 |
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| 作者单位： | 1. 后勤工程学院,营房管理与环境工程系,重庆,400016
2. 重庆伟联科技公司,重庆,400060 |
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| 摘 要： | 数字电位器是一种可在计算机控制下,通过编程来实现自动操作的智能化器 件,具有调节精确、稳定,数字可长期保存和随时刷新,体积小、抗振动、寿命长的特点 ADN2850是ANALOG公司生产的一种典型的数字电位器,可以通过SPI接口控制它的工作 模式和阻值。介绍了它的结构和控制命令,着重强调了它的SPI接口技术和在光传输校准 系统中应用,通过C语言控制程序控制其阻值,达到了预期的效果。
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| 关 键 词： | 数字电位器 ADN2850 SPI 光校正 |
| 文章编号： | 1672-7843(2005)01-0038-03 |
| 修稿时间： | 2004年7月8日 |
Digital Rheostat ADN2850 and Application in Adjustive System of Spectral Transmission |
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| GE Min,LU Sheng-hong,WANG Wei-jun,SHI Yuan-cun,GUO Jun-hua.Digital Rheostat ADN2850 and Application in Adjustive System of Spectral Transmission[J].Journal of Logistical Engineering University,2005,21(1):38-40. |
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| Authors: | GE Min LU Sheng-hong WANG Wei-jun SHI Yuan-cun GUO Jun-hua |
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| Abstract: | Digital rheostat is an intelligent device which can be programmed with computer. It is of high-level accuracy, stability,small package, durability, anti-vibration and can be freshed at any moment. AND2850 is a typical digital programmed rheostat supplied by Analog Inc,whose modes and resistor value can be controlled via SPI interface. The article gives an introduction of ADN2850's artitecture and controlling command, emphasizes the technology of SPI, applies demo of adjusting system of spectral transmission and designs a programmer with C language to control the value of resistor The result is in accor darce with the expectation. |
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| Keywords: | Digital rheostat ADN2850 SPI adjusting system of spectral transmission |
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