IEICE Electronics Express
Online ISSN : 1349-2543
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A bridge resistance deviation-to-time interval converter for resistive sensor bridges
Hoon KimWon-Sup ChungSang-Hee SonHee-Jun Kim
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2007 Volume 4 Issue 10 Pages 326-331

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Abstract

A bridge resistance deviation-to-time interval converter is presented for interfacing resistive sensor bridges. It consists of two voltage-to-current converters, two current-tunable Schmitt triggers, a ramp integrator, and two logic gates. A prototype circuit built using discrete components exhibits a conversion sensitivity amounting to 4527.8µs/Ω over the resistance deviation range of 0-2Ω and a linearity error less than ± 0.01%.

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© 2007 by The Institute of Electronics, Information and Communication Engineers
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