Title :
Transverse modes in one-port SAW resonators
Author :
Campbell, C.K. ; Edmonson, P.J. ; Smith, P.M.
Author_Institution :
Dept. of Electr. & Comput. Eng., McMaster Univ., Hamilton, Ont., Canada
Abstract :
The S/sub 11/ and equivalent S/sub 21/ frequency responses of a one-port surface acoustic wave (SAW) resonator with transverse modes derived from one-dimensional coupling-of-modes and transmission-matrix analysis. The two-dimensional nature of the problem is approximated by a summation of one-dimensional mode responses for each transverse mode. Comparison between theory and experimental data for a commercial 280-MHz one-port SAW resonator shows good agreement for the placement of transverse modes.<>
Keywords :
crystal resonators; frequency response; surface acoustic wave devices; 280 MHz; S/sub 11/ frequency response; S/sub 21/ frequency response; SAW resonators; experimental data; frequency responses; one-dimensional coupling-of-modes; one-port resonators; transmission-matrix analysis; transverse modes; Acoustic reflection; Acoustic waves; Apertures; Couplings; Frequency response; Gratings; Optical reflection; Strips; Surface acoustic waves; Transmission line matrix methods;
Journal_Title :
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
