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ABSTRACT: This paper intends to provide a contribution for a better understanding of the self-heating effect in BAW SMR by developing a predictive 1D-model. Knowing the power dissipated inside the SMR, the presented model allows us estimating the temperature distribution inside the different layers of resonators used to build BAW filters. Model is compared with both experimental measurements and Finite Elements Analysis. Conclusions concerning the device reliability can eventually be drawn.
Frequency Control Symposium, 2009 Joint with the 22nd European Frequency and Time forum. IEEE International; 05/2009
