NDLI: Cubic frequency temperature dependence in periodic structures of recessed electrodes on quartz

Content Provider	IEEE Xplore Digital Library
Author	Grigorievskii, V.I. Plessky, V.P.
Copyright Year	2012
Description	Author affiliation: FIRE, Fryazino, Russia (Grigorievskii, V.I.) \|\| GVR Trade SA, Chez-le-Bart, Switzerland (Plessky, V.P.)
Abstract	It is shown that the cubic frequency temperature characteristic of a surface acoustic wave (SAW) quartz resonator with electrodes positioned at the groove bottoms can be obtained. The admittance characteristics of periodic structures of aluminum electrodes positioned at the groove bottoms of a quartz substrate were calculated using FEM analysis and periodic Green's function method. The temperature coefficients of quartz material constants as well as temperature variations of geometrical dimensions of a unit cell were included in calculations. The temperature dependency of resonant frequency at the upper end of the reflection stop band shows cubic behavior with maximum frequency deviation +/-10 ppm in the temperature range from -30° to +80°C. The compensation of a non-zero second order temperature frequency coefficient can be possible due to temperature variation of the reflection coefficient in the periodic structure of electrodes and grooves.
Starting Page	803
Ending Page	806
File Size	376020
Page Count	4
File Format	PDF
ISBN	9781467345613
ISSN	19485719
e-ISBN	9781467345620
DOI	10.1109/ULTSYM.2012.0200
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-07
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Resonant frequency Surface acoustic waves Reflection Temperature dependence Temperature distribution Temperature stability SAW Quartz Resonator
Content Type	Text
Resource Type	Article

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