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High-frequency module and communication device

A high-frequency module and high-frequency signal technology, applied to antenna support/installation devices, devices that enable antennas to work in different bands at the same time, antenna arrays that are powered separately, etc., can solve problems such as unstable electrical characteristics and achieve suppression The effect of the change in potential

Active Publication Date: 2022-01-14
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In high-frequency modules, electrical characteristics may become unstable due to fluctuations in the potential of the ground terminal

Method used

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  • High-frequency module and communication device
  • High-frequency module and communication device
  • High-frequency module and communication device

Examples

Experimental program
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Embodiment approach

[0023] Below, refer to Figure 1~6 The high-frequency module 1 and the communication device 300 according to the embodiment will be described.

[0024] (1) High-frequency modules and communication devices

[0025] (1.1) Circuit structure of high-frequency module and communication device

[0026] refer to Figure 6 The circuit configurations of the high-frequency module 1 and the communication device 300 according to the embodiment will be described.

[0027] The high frequency module 1 according to the embodiment is used in the communication device 300, for example. The communication device 300 is, for example, a mobile phone (eg, a smart phone), but is not limited thereto. For example, it may also be a wearable terminal (eg, a smart watch). The high-frequency module 1 is, for example, a module compatible with the 4G (fourth generation mobile communication) standard, the 5G (fifth generation mobile communication) standard, and the like. The 4G standard is, for example, th...

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Abstract

The invention relates to a high-frequency module and a communication device. The purpose of the present invention is to suppress variations in the potential of a ground terminal. This high-frequency module (1) comprises a mounting board (9), a first circuit element (2), a second circuit element (3), signal terminals (an antenna terminal 81, a signal input terminal 82, a signal output terminal 83) for a high-frequency signal, and block terminals (86). The mounting board (9) has a first main surface (91) and a second main surface (92) opposite each other. The first circuit element (2) is mounted on the first main surface (91) of the mounting board (9). The second circuit element (3) is mounted on the second main surface (92) of the mounting board (9). The signal terminals (the antenna terminal 81, the signal input terminal 82, the signal output terminal 83) are disposed on the second main surface (92) of the mounting board (9). The block terminals (86) are disposed on the second main surface (92) of the mounting board (9). The block terminals (86) have a plurality of ground terminals (85).

Description

technical field [0001] The present invention generally relates to a high-frequency module and a communication device, and more specifically, relates to a high-frequency module including a mounting substrate and a communication device including the high-frequency module. Background technique [0002] Conventionally, a front-end module including a substrate (mounting substrate), a filter unit provided on the substrate, a switch IC provided on the substrate, and an amplifier unit is known as a high-frequency module (for example, refer to Patent Document 1). [0003] In an example of the front-end module disclosed in Patent Document 1, the filter unit is provided on one main surface of the substrate, and the switch IC is provided on the other main surface of the substrate. [0004] In addition, the front-end module includes a plurality of electrodes provided on the other main surface of the substrate. [0005] In addition, Patent Document 1 discloses a communication device incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40
CPCH04B1/40H01L25/065H01L25/07H01L25/18H05K1/02H04B1/38H04B2001/0408H04B1/04H04B1/1615H01Q5/335H01Q1/20H01Q21/06
Inventor 田上雄大
Owner MURATA MFG CO LTD