Document Detail


Quartz crystal microbalance based on passive frequency to voltage converter.
MedLine Citation:
PMID:  22380125     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
In dynamics of evaporation or drying of microdrops from a solid surface, a faster and precise quartz crystal microbalance (QCM) is needed. The fast QCM based on frequency to voltage converter is an attractive and powerful tool in the investigation of the dynamic regime of evaporation to translate the frequency shift in terms of a continuous voltage change. The frequency shift monitoring in fast QCM applications is a real challenge for electronic processing interface. Originally developed as a frequency shift processing interface, this novel passive frequency to voltage converter can produce faster, stable, and accurate results in regard to the QCM sensor behavior. In this article, the concept and circuit of passive frequency to voltage converter will be explained followed by static and dynamic characterization. Experimental results of microdrops evaporation will be given.
Authors:
Ioan Burda; Arthur Tunyagi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Review of scientific instruments     Volume:  83     ISSN:  1089-7623     ISO Abbreviation:  Rev Sci Instrum     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-03-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0405571     Medline TA:  Rev Sci Instrum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  025107     Citation Subset:  IM    
Affiliation:
Department of Physics, Babes-Bolyai University, Cluj-Napoca, 400084, Romania.
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