运算放大器参数对带有热阻传感器的反馈结构性能的影响

IEEE Instrumentation and Measurement Technology Conference Sensing, Processing, Networking. IMTC Proceedings Pub Date : 1997-05-19 DOI:10.1109/IMTC.1997.610254

R. Freire, G. S. Deep, A. Oliveira

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引用次数: 9

摘要

带有热阻传感器的反馈电路已广泛应用于热辐射和流体流动的测量中。一般来说，这些电路的工作是解释假设在反馈配置中使用理想的运算放大器。分析了运放的各种极限参数对运放静态和动态性能的影响。当用作测量装置时，由于输入偏置电压而引入的误差是估计的。

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Effect of operational amplifier parameters on the performance of feedback structures with thermoresistive sensors

Feedback circuits with thermoresistive sensors have been widely used in the measurement of thermal radiation and fluid flow. In general, the operation of these circuits is explained assuming an ideal operational amplifier used in the feedback configuration. The effect of various limiting parameters of the operational amplifier on the static and dynamic performance has been analyzed. The error introduced when used as a measuring device, due to input offset voltage is estimated.

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IEEE Instrumentation and Measurement Technology Conference Sensing, Processing, Networking. IMTC Proceedings

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