Mathematics
Scientific paper
Jun 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.340..219b&link_type=abstract
In ESA, Frequency and Time Forum p 219-222 (SEE N93-24978 09-70)
Mathematics
Design Analysis, Dynamic Response, Mathematical Models, Quartz Crystals, Resonant Frequencies, Resonators, Transverse Waves, Algorithms, Cavity Resonators, Digital Simulation, Insertion Loss, Mirrors, Q Factors, Surface Acoustic Wave Devices
Scientific paper
A model predicting the influence of various design parameters on fundamental properties such as resonant frequency, Q factor, and insertion losses is presented. STW resonators offer several advantages over conventional Rayleigh wave SAW (Surface Acoustic Wave) resonators, one of the most interesting advantages being higher operating frequencies (+60 percent) for given geometrices of the transducers and reflectors. A model to compute the resonant frequency of a three grating STW resonator is presented and and the influence of important design parameters, cavity length, metal thickness, grating periodicities, and finger to gap ratio is discussed. Starting from first experimental results, obtained in metal strip (37 deg Y rotated) quartz STW resonators at 500 MHz, new devices at 1 GHz were fabricated and tested. Experimental results are presented and discussed.
Auld B. A.
Bigler E.
Gavignet E.
Ritz Elvira
Sang Edward
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