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US 2024/0137007 A1Published application
Ladder-type filter, and duplexer and modules with ladder-type filter
AssigneeSanan Japan Technology Corporation
InventorsHitoshi Ebihara, Shinichi Shioi
Life of this patent
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Abstract
A ladder-type filter includes a plurality of series arms and a plurality of parallel arms, in which one of the parallel arms does not have resonance characteristic is arranged in parallel between two series arm resonators of the plurality of series arms. The ladder-type filter may be included in a duplexer and/or a module.
Claims11
A ladder-type filter comprising:
- a plurality of series arms;
- and
- a plurality of parallel arms;
- wherein one of the plurality of the parallel arms is arranged in parallel between two series arm resonators of the plurality of series arms and does not have resonance properties.
1 more element
Dependencies are inferred from the claim text.