一种实用温度测量电路的设计

Design of a practical circuit for measuring temperature

介绍采用铂热电阻、集成化铂热电阻信号调理器、A/D转换器、LED显示器以及其它器件设计的一种实用温度测量电路。详细阐述电路的组成、工作原理、各部分电路分析、选择参数等。该电路具有测量范围宽、精度高、结构简单、价格低廉等特点。

This paper introdues a practical circuit for measuring temperature designed with platinum resistance-temperature device, ADTT0,ND converter, LED display and other components.It detail the composition of the circuit,principle,analysis of each partial circuit, choosing parameter and so on.The circuit has the characteristics of measuring very wide range,high accuracy,simple structure,low cost and so on.