Radio-frequency filter, multiplexer, radio-frequency front-end circuit, and communication device

A filter includes: a series-arm circuit; a first parallel-arm circuit connected to a node and a ground; and a second parallel-arm circuit connected to a node and the ground. The first parallel-arm circuit includes a first parallel-arm resonator, and a first switch circuit connected in series to the...

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Bibliographic Details
Main Author Nosaka, Koji
Format Patent
LanguageEnglish
Published 02.02.2021
Subjects
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