About: Precise beat frequency evaluation circuit for multi-oscillators QCM gas detectors

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Presented work deals with crystal oscillators that can be used as a quartz crystal microbalance (QCM) gas sensor. There are presented two basic oscillators that are very common in literature. The oscillators were put into practice and tested in the gas chamber with different crystals of basic frequency 10 MHz. There were tested clean crystal resonators and resonators coated by a sensitive layer. Frequency response of the oscillators is usually very small and it is comparable with the effects such as temperature change or crosstalk in the evaluation circuit. The evaluation circuit thus must be designed carefully. Main goal of this paper is comparison of two basic designs of the oscillators and presentation of the precise evaluation circuit with minimal crosstalk and reverse transmission in signal ways. Presented work deals with crystal oscillators that can be used as a quartz crystal microbalance (QCM) gas sensor. There are presented two basic oscillators that are very common in literature. The oscillators were put into practice and tested in the gas chamber with different crystals of basic frequency 10 MHz. There were tested clean crystal resonators and resonators coated by a sensitive layer. Frequency response of the oscillators is usually very small and it is comparable with the effects such as temperature change or crosstalk in the evaluation circuit. The evaluation circuit thus must be designed carefully. Main goal of this paper is comparison of two basic designs of the oscillators and presentation of the precise evaluation circuit with minimal crosstalk and reverse transmission in signal ways. (en)
Title	Precise beat frequency evaluation circuit for multi-oscillators QCM gas detectors Precise beat frequency evaluation circuit for multi-oscillators QCM gas detectors (en)
skos:prefLabel	Precise beat frequency evaluation circuit for multi-oscillators QCM gas detectors Precise beat frequency evaluation circuit for multi-oscillators QCM gas detectors (en)
skos:notation	RIV/68407700:21230/14:00222318!RIV15-MV0-21230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(VG20102015015)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Bouřa, Adam Kroutil, Jiří
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	38677
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/14:00222318
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	QCM sensors; Crystal oscillators; Beat frequency evaluation, Gas sensors (en)
http://linked.open.../riv/klicoveSlovo	Gas sensors Crystal oscillators QCM sensors Beat frequency evaluation
http://linked.open...ontrolniKodProRIV	[2F4FC249EB54]
http://linked.open...v/mistoKonaniAkce	Smolenice
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	10th International Conference on Advanced Semiconductor Devices and Microsystems ASDAM 2014 Conference Proceedings
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Miniature intelligent system for analyzing concentrations of gases and pollutants, particularly toxic
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Bouřa, Adam Kroutil, Jiří
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-10-20 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovenská technická univerzita v Bratislave
https://schema.org/isbn	978-1-4799-5474-2
http://localhost/t...ganizacniJednotka	21230

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