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On basis of Coupling of Modes (COM) model, the field distribution within short-circuited grating and open-circuited grating is studied. The behavior of forward and backward surface acoustic waves among the gratings can be easily explained by the action of the reflection coefficient and the propagation of the wave in a media without reflection. So according to the parameters of the distribution curves...
In this paper, we incorporate two thermal models with periodic FEM/BEM to analyze the temperature-frequency behavior of SAW under periodic IDT. One is the classical model based on Campbell's theory, which has been widely used. We find that this model fails to predict temperature-frequency behavior of SAW for some cases, although we can get accurate results for many cases of some cuts and modes by...
This paper provides a comprehensive methodology for accurate analysis and design of miniaturized radio frequency (RF) surface acoustic wave (SAW) duplexer package. Full-wave analysis based on the three dimensional (3-D) finite element method (FEM) is applied to get the package model. The die model. is obtained by combining the parasitics and acoustics models. The modeling of bonding wire is also discussed...
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