| 一种4mA～20mA电流环的实际应用 |
| |
| 引用本文： | 陈群英. 一种4mA～20mA电流环的实际应用[J]. 科学之友, 2010, 0(6) |
| |
| 作者姓名： | 陈群英 |
| |
| 作者单位： | 西安培华学院; |
| |
| 摘 要： | AD421是美国ADI公司的器件,它以串行方式输入16位数字信号,经数模转换后以4 mA～20 mA电流形式输出。本文首先介绍了AD421内部结构及工作原理,最后具体介绍了一种基于AD421的4 mA～20 mA的电流环的输出的实现方法。
|
| 关 键 词： | AD421 4mA～20mA电流环路输出数模转换器 ΣΔDAC |
An actual application of 4mA to 20mA loop-powered |
| |
| Chen Qunying. An actual application of 4mA to 20mA loop-powered[J]. Friend of Science Amateurs, 2010, 0(6) |
| |
| Authors: | Chen Qunying |
| |
| Affiliation: | Chen Qunying |
| |
| Abstract: | The AD421 is a divice of ADI company of American,it convert the serial mode input 16 bits digital signal to 4ma to 20ma current output.The article introduce the internal structure and operational principle of AD421 at first,then specific introduce a kind of realization method of 4ma to 20ma loop-powered output based on AD421. |
| |
| Keywords: | |
| 本文献已被 CNKI 等数据库收录！ |
|
