【摘要】 本文设计了一种利用采保电容的RTD采集模块,此模块通过采保电容与双恒流源采集方法的联合应用来采集和处理RTD信号.克服了传统方法的缺点,具有高精度,高可靠性,低成本的特点。更多还原

【Abstract】 A Three wire RTD measure module base on sample and hold capacitor is designed,the module uses sample and hold capacitor and double constant-current source to measure and process the RTD signal,to eliminate the defect of the tradintion,and is featured with high stability,high reliability and low cost.更多还原