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Cai, Z. (author), van Veldhoven, Robert H.M. (author), Falepin, A. (author), Suy, H. (author), Sterckx, E. (author), Bitterlich, C. (author), Makinwa, K.A.A. (author), Pertijs, M.A.P. (author)
This paper reports a readout circuit for a resistive CO2 sensor, which operates by measuring the CO2-dependent thermal conductivity of air. A suspended hot-wire transducer, which acts both as a resistive heater and temperature sensor, exhibits a CO2-dependent heat loss to the surrounding air, allowing CO2 concentration to be derived from its...
journal article 2016