Capacitive sensor interface with precision references

@article{Yang2014CapacitiveSI,
  title={Capacitive sensor interface with precision references},
  author={Ruimin Yang and Michiel A. P. Pertijs and Stoyan N. Nihtianov and Peter Haak},
  journal={2014 IEEE International Conference on Industrial Technology (ICIT)},
  year={2014},
  pages={358-390}
}
This paper presents an investigation on high-precision capacitance measurement techniques which are aimed for capacitive-sensor-based displacement measurement in advanced industrial applications. The paper analyzes the interface structure and the references used in a capacitive sensor interface (CSI), which define the precision of the capacitance measurement. The trade-offs of using different types of references are discussed. Finally, to validate the analysis, a prototype IC is presented and… CONTINUE READING

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