This paper presents a low-cost interface for high-value resistive sensors varying over a wide range, from kOhm to GOhm . 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.
A low-cost interface to high-value resistive sensors varying over a wide range
FLAMMINI, Alessandra;MARIOLI, Daniele;TARONI, Andrea
2004-01-01
Abstract
This paper presents a low-cost interface for high-value resistive sensors varying over a wide range, from kOhm to GOhm . 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.File in questo prodotto:
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