Acoustic wave device, module having the same
An acoustic wave device includes a substrate, a transmission filter formed on the substrate, a reception filter formed on the substrate, a transmission ground pad of the transmission filter, the transmission ground pad is formed on the substrate, and a reception ground pad of the reception filter, t...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An acoustic wave device includes a substrate, a transmission filter formed on the substrate, a reception filter formed on the substrate, a transmission ground pad of the transmission filter, the transmission ground pad is formed on the substrate, and a reception ground pad of the reception filter, the reception ground pad is formed on the substrate. The transmission filter includes a plurality of series resonators and a plurality of parallel resonators. The plurality of parallel resonators includes a first parallel resonator electrically connected to the reception ground pad. |
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