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HÁZE, J. VRBA, R. FUJCIK, L. MICHAELI, L. PAVLÍK, M. ZAVORAL, P. FOREJTEK, J.
Originální název
A Novel Band-Pass Sigma-Delta Modulator for Capacitive Pressure Sensing
Typ
článek ve sborníku ve WoS nebo Scopus
Jazyk
angličtina
Originální abstrakt
The paper deals with bandpass sigma-delta modulator (BP SDM), which is used for conversion of signal from capacitive pressure sensor. This approach is absolutely new and unique, because this kind of modulators is utilized only for wireless and video applications. The main advantage of BP SDM is due to its defined band. That is why it is resistant against offsets of its subcuircits. Another important advantage is low power consumption, since the BP SDM digitizes only narrow band instead of whole Nyquist band with similar dynamic range. The paper shows basic ideas of this approach and simulation results with ideal and real modulator. The main stages are implemented in switched-capacitor (SC) technique. The modulator layout is presented as well.
Klíčová slova
bandpass, sigma-delta, modulator, pressure sensor
Autoři
HÁZE, J.; VRBA, R.; FUJCIK, L.; MICHAELI, L.; PAVLÍK, M.; ZAVORAL, P.; FOREJTEK, J.
Rok RIV
2007
Vydáno
16. 4. 2007
Nakladatel
IEEE Computer Society
Místo
New York
ISBN
0-7695-2807-4
Kniha
IEEE Proceedings of the Second International Conference on Systems, ICONS 2007
Strany od
74
Strany do
78
Strany počet
5
BibTex
@inproceedings{BUT28628, author="Jiří {Háze} and Radimír {Vrba} and Lukáš {Fujcik} and Linus {Michaeli} and Michal {Pavlík} and Pavel {Zavoral} and Jiří {Forejtek}", title="A Novel Band-Pass Sigma-Delta Modulator for Capacitive Pressure Sensing", booktitle="IEEE Proceedings of the Second International Conference on Systems, ICONS 2007", year="2007", pages="74--78", publisher="IEEE Computer Society", address="New York", isbn="0-7695-2807-4" }