Elastic wave device
AssigneeMurata Manufacturing Co., Ltd.
InventorJunpei YASUDA
Life of this patent
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Abstract
An elastic wave device includes elastic wave filters connected in parallel between an input and an output, and has reduced size and insertion loss, and improved electric power handling capability. An elastic wave filter chip is mounted on a die-attach surface of a wiring board and includes an input signal terminal and output signal terminals. At least one of the input and output signal terminals includes a plurality of signal terminals. A common connection wiring line to commonly connect the plurality of signal terminals of the elastic wave filter chip is provided in the wiring board.
Claims21
(canceled)
An elastic wave device comprising:
- a wiring board including a die-attach surface;
- and
- an elastic wave filter chip mounted on the die-attach surface of the wiring board;
- wherein
- the elastic wave filter chip includes an input signal terminal, an output signal terminal, and a plurality of elastic filters connected in parallel between the input signal terminal and the output signal terminal, and at least one of the input signal terminal and the output signal terminal includes a plurality of signal terminals;
- and
- a common connection wiring line is provided in the wiring board and arranged to commonly connect the plurality of signal terminals of the elastic wave filter chip.
Dependencies are inferred from the claim text.