2002•Unpublished venueRequires access

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

Raimundo C. S. Freire, G.S. Deep, A. Oliveira

Abstract

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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Available abstract

Key concepts: Input offset voltage, Operational amplifier, Operational amplifier applications, Electronic circuit, Amplifier, Offset (computer science), Op amp integrator, Computer science