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Patent Searching and Data


Title:
POWER AMPLIFYING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/206176
Kind Code:
A1
Abstract:
This power-amplifying device realizes wide bandwidth operation of a high-frequency power-amplifying circuit. A power-amplifying device (100A) includes: a power-amplifying circuit (1) that amplifies a high-frequency input signal; a first impedance-matching circuit (2) that carries out impedance matching on output signals from the power-amplifying circuit (1); a secondary harmonic termination circuit (3) that is provided on the output side of the first impedance-matching circuit (2), that reflects at least a portion of the even harmonics and odd harmonics that are contained in a signal inputted from the first impedance-matching circuit (2) and thereby outputs the harmonics as a high-frequency signal from the input terminal, and that outputs from the output terminal a high-frequency signal containing the fundamental frequency and remaining even harmonics and odd harmonics; and a filter (4) that is provided as a later stage on the secondary harmonic termination circuit (3), that attenuates at least a portion of the even harmonics and odd harmonics, and that outputs a high-frequency signal containing the fundamental frequency and remaining even harmonics and odd harmonics.

Inventors:
HASE, Masatoshi (JP)
SAMATA, Mitsunori (JP)
Application Number:
PCT/JP2021/015087
Publication Date:
October 14, 2021
Filing Date:
April 09, 2021
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (JP)
International Classes:
H01P5/02; H03H7/075; H03H7/38; H03F1/02; H03F1/44; H03F1/56; H03F3/191; H03F3/24; H03F3/60
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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