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Title:
HIGH-FREQUENCY CIRCUIT AND AMPLIFICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/189020
Kind Code:
A1
Abstract:
A high-frequency circuit (1) comprising: a power amplifier (11); a filter (31) that is connected to the power amplifier (11) and that has a pass band including a band A that is capable of simultaneous transmission with a band B; a power source terminal (131) that receives a power source voltage which is supplied to the power amplifier (11); and a filter (33) that is connected between the power source terminal (131) and the power amplifier (11), wherein the filter (33) has an attenuation band including at least a portion of the band B.

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Inventors:
NAGUMO SHOJI (JP)
HAYAMA KOUKI (JP)
SAKURAI SATOSHI (JP)
Application Number:
PCT/JP2023/006215
Publication Date:
October 05, 2023
Filing Date:
February 21, 2023
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03F3/24; H04B1/00; H04B1/04
Domestic Patent References:
WO2021251217A12021-12-16
WO2021241233A12021-12-02
Foreign References:
JP2017527239A2017-09-14
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
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