The Utilization of Novel Bandpass Sigma-delta Modulator for Capacitance Pressure Sensor Signal Processing

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dc.contributor.authorHaze, Jiri
dc.contributor.authorFujcik, Lukas
dc.contributor.authorVrba, Radimir
dc.contributor.authorPavlik, Michal
dc.contributor.authorMichaeli, Linus
dc.coverage.issue4cs
dc.coverage.volume17cs
dc.date.accessioned2016-03-18T10:37:14Z
dc.date.available2016-03-18T10:37:14Z
dc.date.issued2008-12cs
dc.description.abstractThe paper deals with a novel approach to processing of pressure sensor signals. A bandpass sigma-delta modulator is used for this purpose. This technique is relatively new and it is not used widely, because this kind of modulator is usually utilized for wireless and video applications. Since the bandpass sigma-delta modulator works within its defined band it is resistant to offsets of its sub-circuits. The main stages of this modulator are implemented by means of switched-capacitor (SC) technique. The article presents the basic ideas of this approach and simulation results of the first order of ideal and real modulator. The paper also shows the design of the phase locked loop (PLL) block for synchronization of sensor signal and modulator driving signal. The simple evaluation board was fabricated for confirmation of the proposed principle. Also shown are the results of the chip testing, the modulator layout and the design and test results of the second order of bandpass sigma-delta modulator briefly.en
dc.formattextcs
dc.format.extent79-85cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2008, vol. 17, č. 4, s. 79-85. ISSN 1210-2512cs
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/57236
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2008/08_04a_079_085.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectBandpass sigma-delta modulationen
dc.subjectpressure measurementen
dc.subjectcapacitance sensoren
dc.titleThe Utilization of Novel Bandpass Sigma-delta Modulator for Capacitance Pressure Sensor Signal Processingen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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