公开(公告)号：US20220278080A1

公开(公告)日：2022-09-01

申请号：US17749136

申请日：2022-05-20

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Sho MATSUMOTO

IPC: H01L25/065 ,  H03F1/56 ,  H03F3/24 ,  H04B1/40

Abstract: A radio-frequency module including a mounting substrate that has mounting faces opposed to each other; a PA that is mounted on the mounting face, that is a radio-frequency component, and that has an emitter terminal; a through electrode that is connected to the emitter terminal of the PA and that passes through the mounting faces of the mounting substrate; and a ground terminal connected to the through electrode.

公开(公告)号：US20210226652A1

公开(公告)日：2021-07-22

申请号：US17224154

申请日：2021-04-07

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Sho MATSUMOTO ,  Takanori UEJIMA ,  Yuji TAKEMATSU ,  Tetsuro HARADA ,  Dai NAKAGAWA ,  Naoya MATSUMOTO ,  Yutaka SASAKI ,  Yuuki FUKUDA

IPC: H04B1/04 ,  H04B1/44

Abstract: A radio-frequency module includes a mounting substrate having a first main surface and a second main surface on opposite sides of the mounting substrate; an external connection terminal arranged on the first main surface; and a first transmission power amplifier arranged on the first main surface. The first transmission power amplifier includes an amplifier first main surface closest to the first main surface, an amplifier second main surface that faces away from the amplifier first main surface, a first input-output electrode arranged on the amplifier first main surface and through which a radio-frequency signal input into the first transmission power amplifier or a radio-frequency signal output from the first transmission power amplifier is transmitted, and a first ground electrode arranged on the amplifier second main surface.

公开(公告)号：US20210219419A1

公开(公告)日：2021-07-15

申请号：US17216722

申请日：2021-03-30

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yuji TAKEMATSU ,  Takanori UEJIMA ,  Sho MATSUMOTO ,  Tetsuro HARADA ,  Dai NAKAGAWA ,  Naoya MATSUMOTO ,  Yutaka SASAKI ,  Yuuki FUKUDA

IPC: H05K1/02 ,  H04B1/44 ,  H03F3/195 ,  H03F3/24

Abstract: A radio frequency module includes: a first mounting board having a first principal surface and a second principal surface; a second mounting board having a third principal surface facing the second principal surface and a fourth principal surface; a transmission filter having a first mounting surface facing the second principal surface and a first top surface; and a reception filter having a second mounting surface facing the third principal surface and a second top surface; wherein the transmission and reception filters overlap at least partially in a plan view of the first and second mounting boards, an output terminal of the transmission filter is arranged on the first top surface, an input terminal of the reception filter is arranged on the second top surface, and the output and input terminals are connected by a conductive member not routed through the first mounting board or the second mounting board.

公开(公告)号：US20210058108A1

公开(公告)日：2021-02-25

申请号：US17091045

申请日：2020-11-06

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Sho MATSUMOTO

IPC: H04B1/44 ,  H04B1/00 ,  H04B1/04

Abstract: A radio frequency module includes: a switch circuit including a transmit terminal, a receive terminal, a selection terminal, and a common terminal, the switch circuit being capable of switching between (A) a connection between the transmit terminal and the common terminal, (B) connections between the transmit terminal and the common terminal and between the selection terminal and the common terminal, (C) connections between the receive terminal and the common terminal and between the selection terminal and the common terminal, and (D) a connection between the receive terminal and the common terminal; a transmit/receive filter connected to the common terminal and to be used for a time division duplex system, a pass band of the transmit/receive filter being a transmit/receive band of Communication Band A; and a DTC connected to the selection terminal, the DTC changing its capacitance value according to connection switching of the switch circuit.

公开(公告)号：US20210336639A1

公开(公告)日：2021-10-28

申请号：US17368958

申请日：2021-07-07

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Motoji TSUDA ,  Yusuke NANIWA ,  Morio TAKEUCHI ,  Atsushi HORITA ,  Jin YOKOYAMA ,  Sho MATSUMOTO ,  Syunsuke KIDO ,  Yukiya YAMAGUCHI ,  Hiroyuki KANI

IPC: H04B1/00 ,  H04B1/16

Abstract: A radio-frequency module includes a transmission path which has one end connected to a transmission terminal and on which a transmission signal in Band A is transmitted; a reception path (62) which has one end connected to a reception terminal (120B) and on which a reception signal in Band B is transmitted; a reception path (63) which has one end connected to a reception terminal (120C) and on which a reception signal in Band C is transmitted; a switch (11) having a common terminal (11a) and selection terminals (11b and 11c); and a switch (12) having a common terminal (12a) and selection terminals (12b and 12c).

公开(公告)号：US20210314010A1

公开(公告)日：2021-10-07

申请号：US17351867

申请日：2021-06-18

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Motoji TSUDA ,  Yukiya YAMAGUCHI ,  Sho MATSUMOTO ,  Hiroyuki KANI ,  Atsushi HORITA ,  Morio TAKEUCHI ,  Yusuke NANIWA ,  Jin YOKOYAMA

IPC: H04B1/04 ,  H04B1/10 ,  H04B1/00 ,  H04B1/50

Abstract: A radio-frequency module includes a switch performing switching of the connection between a common terminal and a selection terminal, a reception filter having a reception band in a band A as a passband, a transmission filter that has a transmission band in a band B as a passband and has an output terminal connected to the selection terminal, a filter that has the transmission band in a band B as an attenuation band and has an input terminal connected to the selection terminal, a reception path which connects the selection terminal and an input terminal of the reception filter and on which the filter is disposed, a bypass path which connects the selection terminal and the input terminal of the reception filter and on which no filter is disposed, and a transmission path which connects the selection terminal and a transmission terminal and on which the transmission filter is disposed.

公开(公告)号：US20210005579A1

公开(公告)日：2021-01-07

申请号：US17023410

申请日：2020-09-17

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Sho MATSUMOTO

IPC: H01L25/065 ,  H03F3/24 ,  H03F1/56 ,  H04B1/40

Abstract: A radio-frequency module including a mounting substrate that has mounting faces opposed to each other; a PA that is mounted on the mounting face, that is a radio-frequency component, and that has an emitter terminal; a through electrode that is connected to the emitter terminal of the PA and that passes through the mounting faces of the mounting substrate; and a ground terminal connected to the through electrode.

公开(公告)号：US20210005578A1

公开(公告)日：2021-01-07

申请号：US17022096

申请日：2020-09-16

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Sho MATSUMOTO

IPC: H01L25/065 ,  H03F3/24 ,  H03F1/56 ,  H04B1/40

Abstract: A radio-frequency module is capable of being connected to an external substrate and includes a mounting substrate having a main face and a main face, which are opposed to each other, multiple ground terminals with which the mounting substrate is electrically connected to the external substrate, a PA mounted on the main face, and an LNA mounted on the main face. A communication apparatus includes the radio-frequency module.