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公开(公告)号：US20240421845A1
公开(公告)日：2024-12-19
申请号：US18740692
申请日：2024-06-12
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Shogo YANASE , Nanami YUMURA , Masaki TADA , Yuusuke KISHI , Ryoya SHIOMI , Takanori UEJIMA , Naru MORITO , Masaki KIMURA , Hiroyuki NAGAMORI , Mizuki KINOSHITA , Minoru IWANAGA , Takuma KUROYANAGI
Abstract: A radio frequency module includes a substrate having a mounting surface, components for transmission and a component for transmission and reception that are disposed on the mounting surface, acoustic wave filters disposed between each of the components for transmission and the component for transmission and reception, and shield electrodes each formed on a corresponding one of side surfaces of the acoustic wave filters.
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公开(公告)号：US20230262879A1
公开(公告)日：2023-08-17
申请号：US18299767
申请日：2023-04-13
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Masateru HIGASHI , Shogo YANASE , Masaki KIMURA , Masanari MIURA , Naoya MATSUMOTO , Takahiro KATAMATA , Takanori UEJIMA
CPC classification number: H05K1/0243 , H05K1/0218 , H04B1/40 , H05K2201/1006
Abstract: A first filter is prevented from being affected by the coplanarity of a mounting substrate and a degradation of the filter characteristics of the first filter is reduced. A first filter, a second filter, a third filter, and a first switch are mounted on a first principal surface of a mounting substrate. The first filter passes a first high-frequency signal and a second high-frequency signal, the second filter passes a third high-frequency signal, and the third filter passes a fourth high-frequency signal. The first switch is capable of simultaneously connecting the first filter and the second filter to an antenna terminal. In a plan view from a thickness direction of the mounting substrate, the first filter is larger than the second filter and the third filter and located between the second filter and the third filter. A first wire and a second wire are each shorter than a third wire.
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