Title : 
Circuit for continuous monitoring of quartz-crystal resonators in sensor applications
         
        
            Author : 
Arnau, A. ; Jiménez, Y. ; Sogorb, T.
         
        
            Author_Institution : 
Departamento de Ingenieria Electronica, Univ. Politecnica de Valencia, Spain
         
        
        
        
        
            fDate : 
4/11/2002 12:00:00 AM
         
        
        
        
            Abstract : 
A phase-locked loop-based circuit for a continuous resonant frequency and motional resistance monitoring of loaded quartz resonators is presented. The results prove the reliability of the proposed system for quartz sensors characterisation
         
        
            Keywords : 
condition monitoring; crystal resonators; electric sensing devices; phase locked loops; piezoelectric transducers; PLL-based circuit; SiO2; continuous monitoring; loaded quartz resonators; motional resistance monitoring; phase-locked loop-based circuit; quartz crystal resonators; quartz sensor characterisation; resonant frequency monitoring; sensor applications;
         
        
        
            Journal_Title : 
Electronics Letters
         
        
        
        
        
            DOI : 
10.1049/el:20020253