Dual-harmonic oscillator for quartz crys
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M. Ferrari; V. Ferrari; K.K. Kanazawa
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Article
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2008
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Elsevier Science
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English
β 872 KB
An oscillator circuit is proposed that simultaneously excites and tracks two harmonic resonances in a piezoelectric resonant sensor that, in particular, can be a quartz crystal resonator (QCR) sensor. By probing the resonator at two harmonic modes at the same time, enhanced sensing capabilities can