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← ScienceWhich mechanism causes destructive effects when surface acoustic wave (SAW) filters receive excessive power?
A)Parametric oscillation induces harmonic distortion
B)Brillouin scattering causes energy reduction
C)Elastoplastic deformation creates dislocations✓
D)Dielectric breakdown generates ionizing pathways
💡 Explanation
Excessive SAW power causes overheating because elastoplastic deformation produces dislocations within the piezoelectric substrate, therefore permanently altering its properties, rather than producing electrical distortion because deformation is dominantly mechanical.
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