Practical issues on the implementation of acoustic transversal filters

Abstract

This paper evaluates important aspect of acoustic filters based on a transversal configuration in order to foreseen the potential and limitations of this new configuration. These aspects are: effects of the losses of the resonators and external components, such as capacitors and inductors, sensitivity on the deviation of the impedance and resonant frequency of the resonators and effects of having a non-ideal balun. This study has been performed in a sixth order filter with asymmetric position of the transmission zeros.