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本文提出一种新型的温度反馈式测温、控温电路结构,用以改善热敏电阻的非线性。理论分析表明,这种电路用于35℃～45℃的医用温度范围内时,精度优于0.06％。实验结果与理论分析基本吻合。
This paper presents a new type of temperature feedback temperature measurement, temperature control circuit structure to improve the non-linear thermistor. Theoretical analysis shows that the precision of this circuit is better than 0.06% when it is used in the medical temperature range of 35 ℃ ~ 45 ℃. The experimental results are in good agreement with the theoretical analysis.