【摘要】 本文介绍一种测温用的热敏电阻频率转换电路的工作原理。该电路十分简单,精度高,成本低,提高热敏电阻测温的分辩率,与任何型号微计算机连接的接口简单且无附加误差。通过实测的温度一频率数据分析,两者具有很高的相关性。更多还原

【Abstract】 The principle of Thermistor-frequency conversion circuit used in temperature measurements is introduced in this paper. The circuit is vary simple, accurate and low-cost. It can be connected with aay microcomputer. This method can also inprove the resolution in t smperiture measuraments. The experimental data show that temperature and frepueney have very good correlatiyity.更多还原