Surface acoustic wave filter
Provided is a surface acoustic wave filter that can be reduced in size while suppressing deterioration in characteristics. The surface acoustic wave filter includes: a substrate; at least one resonator provided on the substrate and having a pair of first reflectors provided adjacent to each other in...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
24.12.2021
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Subjects | |
Online Access | Get full text |
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Abstract | Provided is a surface acoustic wave filter that can be reduced in size while suppressing deterioration in characteristics. The surface acoustic wave filter includes: a substrate; at least one resonator provided on the substrate and having a pair of first reflectors provided adjacent to each other in the first direction and a plurality of IDT (interdigital transducer) electrodes provided between the pair of first reflectors; a longitudinally coupled filter connected to the at least one resonator, the longitudinally coupled filter being provided on the substrate and having a pair of second reflectors provided adjacent to each other in the first direction and a plurality of longitudinally coupled resonators provided between the pair of second reflectors; and a plurality of bump mounting terminals which are electrically connected to the longitudinally coupled filter and the at least one resonator and to which bumps are respectively mounted, the number of the plurality of bump mounting terminals being two or more |
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AbstractList | Provided is a surface acoustic wave filter that can be reduced in size while suppressing deterioration in characteristics. The surface acoustic wave filter includes: a substrate; at least one resonator provided on the substrate and having a pair of first reflectors provided adjacent to each other in the first direction and a plurality of IDT (interdigital transducer) electrodes provided between the pair of first reflectors; a longitudinally coupled filter connected to the at least one resonator, the longitudinally coupled filter being provided on the substrate and having a pair of second reflectors provided adjacent to each other in the first direction and a plurality of longitudinally coupled resonators provided between the pair of second reflectors; and a plurality of bump mounting terminals which are electrically connected to the longitudinally coupled filter and the at least one resonator and to which bumps are respectively mounted, the number of the plurality of bump mounting terminals being two or more |
Author | FURUSATO HIROYUKI |
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DocumentTitleAlternate | 声表面波滤波器 |
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Notes | Application Number: CN202120706222U |
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PublicationYear | 2021 |
RelatedCompanies | MURATA MANUFACTURING CO., LTD |
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Snippet | Provided is a surface acoustic wave filter that can be reduced in size while suppressing deterioration in characteristics. The surface acoustic wave filter... |
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SubjectTerms | BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS |
Title | Surface acoustic wave filter |
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