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|Title:||A continuous-time capacitance to voltage converter for microcapacitive pressure sensors|
|Citation:||Lichun, S., Palaniapan, M., Wan, T.W. (2006-04-01). A continuous-time capacitance to voltage converter for microcapacitive pressure sensors. Journal of Physics: Conference Series 34 (1) : 1014-1019. ScholarBank@NUS Repository. https://doi.org/10.1088/1742-6596/34/1/168|
|Abstract:||This paper reports a continuous-time capacitance to voltage converter (CVC), based on the charge integration circuit, for capacitive pressure sensor applications. Unlike conventional charge integrators which need a large feedback resistor for biasing, the proposed method uses low duty cycle periodic reset to establish a robust dc bias at the sensing electrode. The CVC has the merits of low noise, linear transfer characteristics and low susceptibility to system offset. A CVC has been designed with standard 0.35νm CMOS technology. For a 3.3-V supply, it achieves 1mW power consumption, 0∼0.8pF detection range and 0.06% resolution. © 2006 IOP Publishing Ltd.|
|Source Title:||Journal of Physics: Conference Series|
|Appears in Collections:||Staff Publications|
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