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

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F14%3A00222318" target="_blank" >RIV/68407700:21230/14:00222318 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1109/ASDAM.2014.6998682" target="_blank" >http://dx.doi.org/10.1109/ASDAM.2014.6998682</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/ASDAM.2014.6998682" target="_blank" >10.1109/ASDAM.2014.6998682</a>

Result language
angličtina
Original language name
Precise beat frequency evaluation circuit for multi-oscillators QCM gas detectors
Original language 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.
Czech name
—
Czech description
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Project
<a href="/en/project/VG20102015015" target="_blank" >VG20102015015: Miniature intelligent system for analyzing concentrations of gases and pollutants, particularly toxic</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
10th International Conference on Advanced Semiconductor Devices and Microsystems ASDAM 2014 Conference Proceedings
ISBN
978-1-4799-5475-9
ISSN
2475-2916
e-ISSN
—
Number of pages
4
Pages from-to
217-220
Publisher name
Slovak University of Technology in Bratislava
Place of publication
Bratislava
Event location
Smolenice
Event date
Oct 20, 2014
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000412228100051

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