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A non-linear analogue-to-digital converter for linearization of transducer input-output relationships

Shivaram, HS and Shivaprasad, AP (1981) A non-linear analogue-to-digital converter for linearization of transducer input-output relationships. In: International Journal of Electronics,, 51 (3). 247 - 254.

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Abstract

Analogue and digital techniques for linearization of non-linear input-output relationship of transducers are briefly reviewed. The condition required for linearizing a non-linear function y = f(x) using a non-linear analogue-to-digital converter, is explained. A simple technique to construct a non-linear digital-to-analogue converter, based on ' segments of equal digital interval ' is described. The technique was used to build an N-DAC which can be employed in a successive approximation or counter-ramp type ADC to linearize the non-linear transfer function of a thermistor-resistor combination. The possibility of achieving an order of magnitude higher accuracy in the measurement of temperature is shown.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 03 Feb 2010 11:54
Last Modified: 03 Feb 2010 11:54
URI: http://eprints.iisc.ernet.in/id/eprint/20720

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