Radio-frequency module and communication device

    公开(公告)号:US11348887B2

    公开(公告)日:2022-05-31

    申请号:US17161882

    申请日:2021-01-29

    摘要: A radio-frequency module includes: a module substrate having first and second main surfaces; a semiconductor IC having third and fourth main surfaces and mounted on the first main surface with the third main surface between the module substrate and the fourth main surface; and first and second electrodes extending perpendicularly to the first main surface. The cross-sectional area of the second electrodes is smaller than the cross-sectional area of the first electrodes. The semiconductor IC viewed in plan has first and second sides parallel to each other and third and fourth sides parallel to each other. The first electrodes are distributed over a first region between the first side and a side facing the first side and a second region between the second side and a side facing the second side. The second electrodes are in a third region between the third side and a side facing the third side.

    Switch IC, high-frequency module, and communication apparatus

    公开(公告)号:US11296738B2

    公开(公告)日:2022-04-05

    申请号:US17062661

    申请日:2020-10-05

    摘要: An RF module includes a switch IC on a surface of a module substrate and a passive circuit provided in and/or on the module substrate. The switch IC includes a high-frequency circuit on an IC substrate and a digital control circuit. In a plan view of the IC substrate, the digital control circuit is surrounded by the high-frequency circuit. The high-frequency circuit includes analog ground electrodes in a boundary portion with the digital control circuit in the high-frequency circuit to surround the digital control circuit in the plan view.

    Semiconductor device, radio-frequency circuit, and communication apparatus

    公开(公告)号:US11121733B2

    公开(公告)日:2021-09-14

    申请号:US16831929

    申请日:2020-03-27

    IPC分类号: H04B1/04 H01L23/66 H04B1/44

    摘要: A semiconductor device includes a base, a first switching unit disposed on the base, the first switching unit having a substantially rectangular shape and including plural first switches, and an amplifier unit disposed on the base, the amplifier unit including plural amplifier circuits to which a radio-frequency signal is inputted after passing through the first switching unit. In plan view of the base, the first switching unit has four edges including a first edge, a second edge orthogonal to the first edge, and a third edge parallel to the first edge and orthogonal to the second edge, the amplifier unit includes a first region extending along the first edge, a second region extending along the second region, and a third region extending along the third edge, and at least one of the plural amplifier circuits is disposed in each of the first region, the second region, and the third region.

    Front-end module and communication apparatus

    公开(公告)号:US10938436B2

    公开(公告)日:2021-03-02

    申请号:US16747175

    申请日:2020-01-20

    发明人: Yusuke Naniwa

    摘要: A front-end module includes a module board, a reception filter mounted on the module board, a reception low-noise amplifier mounted on the module board, and an inductor incorporated in the module board and connected to a path linking the reception filter and the reception low-noise amplifier. The inductor includes an inductor board. At least part of the inductor overlaps at least part of the reception low-noise amplifier in plan view.

    Radio frequency module and communication device

    公开(公告)号:US10797741B2

    公开(公告)日:2020-10-06

    申请号:US16435645

    申请日:2019-06-10

    摘要: A radio frequency module includes a first receive circuit that processes a receive signal in the first frequency band. The first receive circuit includes a first substrate, a first low noise amplifier, and a first filter circuit. The first low noise amplifier is mounted on a principal surface of the first substrate. The first filter circuit is connected to an output end of the first low noise amplifier. At least a portion of the first filter circuit is provided on the principal surface of the first substrate. The first filter circuit attenuates spurious components occurring due to a transmit signal in the first frequency band received by the first low noise amplifier. The spurious components are included in the transmit signal in the first frequency band and have a frequency bandwidth that overlaps, includes, or is included in the frequency bandwidth of the receive signal in the second frequency band.

    Radio frequency circuit and communication apparatus

    公开(公告)号:US11463050B2

    公开(公告)日:2022-10-04

    申请号:US16832295

    申请日:2020-03-27

    摘要: A radio frequency circuit includes a substrate, a first terminal disposed on a first principal surface of the substrate, a second terminal disposed on the first principal surface, a first-surface mounted component disposed on the first principal surface or inside the substrate, and a second-surface mounted component disposed on a second principal surface of the substrate which is opposite the first principal surface. A radio-frequency signal, which is input to the first terminal, is transmitted, for output from the second terminal, so as to make at least one round trip between the first principal surface and the second-surface mounted component, which is disposed on the second principal surface, through wiring lines disposed in the substrate.

    Multiplexer, high-frequency front-end circuit, and communication device

    公开(公告)号:US11437978B2

    公开(公告)日:2022-09-06

    申请号:US16998286

    申请日:2020-08-20

    摘要: A multiplexer includes a common terminal, a first acoustic wave filter having a first frequency band as a pass band, and having a first input/output terminal connected to the common terminal, a second acoustic wave filter having a second frequency band higher than the first frequency band as a pass band, and having a second input/output terminal connected to the common terminal, an inductance element, and a first capacitance element. The first acoustic wave filter has a parallel resonator of which one end is connected to the first input/output terminal and another end is connected to a ground electrode, and the first input/output terminal is connected to the common terminal via the inductance element, and the first capacitance element is connected between a signal path between the one end of the parallel resonator and the inductance element, and a ground electrode.

    Multiplexer, radio frequency front-end circuit, and communication device

    公开(公告)号:US12040822B2

    公开(公告)日:2024-07-16

    申请号:US16996064

    申请日:2020-08-18

    IPC分类号: H04B1/00 H04B1/74

    摘要: A multiplexer includes first, second, and third filters with first, second, and third frequency bands different from each other, a first connection point connected to a common terminal, a second connection point connected to one end of the first filter and one end of the second filter, a first switch that switches connection and disconnection between the first and second connection points, a reactance element whose one end is connected to a signal path connecting the second connection point and the first switch, a second switch that switches connection and disconnection between the other end of the reactance element and the first connection point, and a third switch that switches connection and disconnection between one end of the third filter and the first connection point. The first and second frequency bands are adjacent to each other among the first, second, and third frequency bands.

    Radio-frequency module and communication device

    公开(公告)号:US11483019B2

    公开(公告)日:2022-10-25

    申请号:US17351867

    申请日:2021-06-18

    摘要: 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.