一个低成本的接口，以高价值的电阻传感器在大范围内变化

Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412) Pub Date : 2003-05-20 DOI:10.1109/IMTC.2003.1208252

A. Flammini, D. Marioli, A. Taroni

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引用次数: 50

摘要

本文提出了一种低成本的高值电阻传感器接口，其变化范围从k/spl ω /到G/spl ω /。所提出的电路作为“周期电阻转换器”，适合与微控制器或计数设备接口。考虑到实际电子元件的行为会产生估计误差。实验结果表明，所实现的样机具有良好的分辨率和重复性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A low-cost interface to high-value resistive sensors varying over a wide range

This paper presents a low-cost interface for high-value resistive sensors varying over a wide range, from k/spl Omega/ to G/spl Omega/. The proposed circuit that acts as a "resistance to period converter" is suitable to be interfaced to a microcontroller or a counting device. The behavior of real electronic components that produce estimation errors, is taken into account. Experimental results obtained by the realized prototype show a good resolution and repeatability.

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Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat. No.03CH37412)

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