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Title: A continuous-time capacitance to voltage converter for microcapacitive pressure sensors
Authors: Lichun, S.
Palaniapan, M. 
Wan, T.W. 
Issue Date: 1-Apr-2006
Source: 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.
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
ISSN: 17426588
DOI: 1/168
Appears in Collections:Staff Publications

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