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公开(公告)号:US11329676B2
公开(公告)日:2022-05-10
申请号:US17195684
申请日:2021-03-09
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Kazuhito Nakai , Satoshi Goto , Hidetaka Takahashi , Daerok Oh
Abstract: A radio frequency module includes: a module board that includes a first principal surface and a second principal surface on opposite sides of the module board; a power amplifier; and a first circuit component. The power amplifier includes: a first amplifying element; a second amplifying element; and an output transformer that includes a primary coil and a secondary coil. An end of the primary coil is connected to an output terminal of the first amplifying element, another end of the primary coil is connected to an output terminal of the second amplifying element, an end of the secondary coil is connected to an output terminal of the power amplifier, the first amplifying element and the second amplifying element are disposed on the first principal surface, and the first circuit component is disposed on the second principal surface.
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公开(公告)号:US11489547B2
公开(公告)日:2022-11-01
申请号:US17066492
申请日:2020-10-09
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Shigeru Tsuchida , Daerok Oh , Takahiro Katamata , Satoshi Goto , Mitsunori Samata , Yoshiki Yasutomo
Abstract: A radio frequency module includes: a module board that includes a first principal surface and a second principal surface on opposite sides of the module board; a power amplifier; and a first circuit component. The power amplifier includes: a first amplifying circuit element; a second amplifying circuit element; and an output transformer that includes a primary coil and a secondary coil. An end of the primary coil is connected to an output terminal of the first amplifying circuit element. Another end of the primary coil is connected to an output terminal of the second amplifying circuit element. An end of the secondary coil is connected to an output terminal of the power amplifier. The first amplifying circuit element and the second amplifying circuit element are disposed on the first principal surface. The first circuit component is disposed on the second principal surface.
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公开(公告)号:US10998924B2
公开(公告)日:2021-05-04
申请号:US16984512
申请日:2020-08-04
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Motoji Tsuda , Takayuki Nakamura , Daerok Oh
IPC: H04B1/18 , H04B1/00 , H04B1/12 , H04B7/0413
Abstract: A high-frequency front end module includes a primary antenna and a secondary antenna, a first multiplexer and a second multiplexer, and a switch circuit, in which the first multiplexer has a transmission filter of a band A and a reception filter of the band A, and does not have a transmission filter of a band B, the second multiplexer has a transmission filter of the band B and a reception filter of the band B, and does not have a transmission filter of the band A, and the switch circuit exclusively switches connection between the primary antenna and the first multiplexer and connection between the primary antenna and the second multiplexer, and exclusively switches connection between the secondary antenna and the first multiplexer and connection between the secondary antenna and the second multiplexer.
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公开(公告)号:US11411586B2
公开(公告)日:2022-08-09
申请号:US17189291
申请日:2021-03-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Hidetaka Takahashi , Satoshi Goto , Yoshiki Yasutomo , Daerok Oh , Yuuto Aoki , Yoshihiro Daimon , Naoya Matsumoto
Abstract: A radio frequency module includes: a module board that includes a first principal surface and a second principal surface on opposite sides of the module board; a power amplifier; a first circuit component; and a power amplifier (PA) control circuit configured to control the power amplifier. The power amplifier includes: an input terminal; an output terminal; first and second amplifying elements disposed parallel to the input terminal; and an output transformer connected between the output terminal and output terminals of the first and second amplifying elements. The PA control circuit is disposed on the second principal surface, and the first and second amplifying elements are both disposed on the first principal surface.
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公开(公告)号:US11290135B2
公开(公告)日:2022-03-29
申请号:US17222231
申请日:2021-04-05
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Motoji Tsuda , Takayuki Nakamura , Daerok Oh
IPC: H04B7/0413 , H04B1/00 , H04B1/12 , H04B1/18
Abstract: A high-frequency front end module includes a primary antenna terminal and a secondary antenna terminal, a first multiplexer and a second multiplexer, a switch circuit, and a first amplifier and a second amplifier. The first multiplexer has a first transmission filter and a first reception filter. The second multiplexer has a second transmission filter and a second reception filter. The switch circuit exclusively switches connection between the primary antenna terminal and the first multiplexer and connection between the primary antenna terminal and the second multiplexer, and exclusively switches connection between the secondary antenna terminal and the first multiplexer and connection between the secondary antenna terminal and the second multiplexer.
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公开(公告)号:US11863215B2
公开(公告)日:2024-01-02
申请号:US18170021
申请日:2023-02-16
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Motoji Tsuda , Takayuki Nakamura , Daerok Oh
IPC: H04B7/0413 , H04B1/00 , H04B1/12 , H04B1/18
CPC classification number: H04B1/0064 , H04B1/0078 , H04B1/126 , H04B1/18 , H04B7/0413
Abstract: A high-frequency front end module includes a primary antenna terminal and a secondary antenna terminal, a first multiplexer and a second multiplexer, a switch circuit, and a first amplifier and a second amplifier. The first multiplexer has a first transmission filter and a first reception filter. The second multiplexer has a second transmission filter and a second reception filter. The switch circuit exclusively switches connection between the primary antenna terminal and the first multiplexer and connection between the primary antenna terminal and the second multiplexer, and exclusively switches connection between the secondary antenna terminal and the first multiplexer and connection between the secondary antenna terminal and the second multiplexer.
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公开(公告)号:US11757478B2
公开(公告)日:2023-09-12
申请号:US17955570
申请日:2022-09-29
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Shigeru Tsuchida , Daerok Oh , Takahiro Katamata , Satoshi Goto , Mitsunori Samata , Yoshiki Yasutomo
CPC classification number: H04B1/04 , H03F1/56 , H03F3/245 , H03F2200/171 , H03F2200/222 , H03F2200/451 , H04B2001/0408
Abstract: A radio frequency module includes: a module board that includes a first principal surface and a second principal surface on opposite sides of the module board; a power amplifier; and a first circuit component. The power amplifier includes: a first amplifying circuit element; a second amplifying circuit element; and an output transformer that includes a primary coil and a secondary coil. An end of the primary coil is connected to an output terminal of the first amplifying circuit element. Another end of the primary coil is connected to an output terminal of the second amplifying circuit element. An end of the secondary coil is connected to an output terminal of the power amplifier. The first amplifying circuit element and the second amplifying circuit element are disposed on the first principal surface. The first circuit component is disposed on the second principal surface.
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公开(公告)号:US11621732B2
公开(公告)日:2023-04-04
申请号:US17651922
申请日:2022-02-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor: Motoji Tsuda , Takayuki Nakamura , Daerok Oh
IPC: H04B1/00 , H04B1/12 , H04B1/18 , H04B7/0413
Abstract: A high-frequency front end module includes a primary antenna terminal and a secondary antenna terminal, a first multiplexer and a second multiplexer, a switch circuit, and a first amplifier and a second amplifier. The first multiplexer has a first transmission filter and a first reception filter. The second multiplexer has a second transmission filter and a second reception filter. The switch circuit exclusively switches connection between the primary antenna terminal and the first multiplexer and connection between the primary antenna terminal and the second multiplexer, and exclusively switches connection between the secondary antenna terminal and the first multiplexer and connection between the secondary antenna terminal and the second multiplexer.
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