Title:
RADIO-FREQUENCY MODULE AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/002271
Kind Code:
A1
Abstract:
The present invention improves isolation between transmission of TDD transmitted signals and reception of TDD received signals. A radio-frequency module (1) comprises a mounting board (5), a power amplifier, a low-noise amplifier, at least one first transmission filter (23), and at least one first reception filter (24). The mounting board (5) comprises a first main face (51) and a second main face (52). The power amplifier is disposed on the first main face (51) side of the mounting board (5). The low-noise amplifier is disposed on the second main face (52) side of the mounting board (5). The first transmission filter (23) passes a TDD transmitted signal. The first reception filter (24) passes a TDD received signal. The first transmission filter (23) is disposed on the first main face (51) side of the mounting board (5). The first reception filter (24) is disposed on the second main face (52) side of the mounting board (5).
Inventors:
TAKAHASHI HIDETAKA
Application Number:
PCT/JP2020/025015
Publication Date:
January 07, 2021
Filing Date:
June 25, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01L25/065; H01L25/07; H01L25/18; H04B1/38; H05K1/02
Domestic Patent References:
| WO2000028673A1 | 2000-05-18 | |||
| WO2018168500A1 | 2018-09-20 |
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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