CPC H03H 9/25 (2013.01) [H03H 9/643 (2013.01); H03H 9/645 (2013.01); H03H 9/6463 (2013.01); H03H 9/6469 (2013.01)] | 20 Claims |
1. An acoustic wave filter comprising:
a multi-mode surface acoustic wave filter including longitudinally coupled interdigital transducer electrodes positioned between a first acoustic reflector and a second acoustic reflector, the second acoustic reflector including acoustic reflector fingers having slanted pitches and stepped lengths; and
a plurality of acoustic wave resonators coupled to the multi-mode surface acoustic wave filter, the plurality of acoustic wave resonators arranged in a ladder topology, the acoustic wave filter configured to filter a radio frequency signal.
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