Title:
POWER AMPLIFICATION CIRCUIT, HIGH FREQUENCY CIRCUIT AND COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/113476
Kind Code:
A1
Abstract:
The present invention achieves size reduction. This power amplification circuit (1) comprises a branching filter (14), a first amplifier (11), a second amplifier (12) and a third amplifier (13). The branching filter (14) branches an input signal into a first signal and a second signal. The first amplifier (11) has a first input terminal (111) and a first output terminal (112), and amplifies the first signal to output a first amplified signal. The second amplifier (12) has a second input terminal (121) and a second output terminal (122), and amplifies the second signal to output a second amplified signal. The third amplifier (13) has a third input terminal (131) and a third output terminal (132), and amplifies the first signal to output a third amplified signal. The first output terminal (112) and the second output terminal (122) are connected to each other; the third input terminal (131) is connected to the first input terminal (111); and the third output terminal (132) is connected to the second output terminal (122).
Inventors:
TAHARA KENJI
SUKEMORI YOSHIAKI
SUKEMORI YOSHIAKI
Application Number:
PCT/JP2021/033405
Publication Date:
June 02, 2022
Filing Date:
September 10, 2021
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H04B1/04; H03F3/24; H03F3/68
Domestic Patent References:
| WO2014171033A1 | 2014-10-23 | |||
| WO2008012883A1 | 2008-01-31 |
Foreign References:
| JP2006525749A | 2006-11-09 |
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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