US 12,323,171 B2
Radio frequency module and communication device
Hiroki Shounai, Nagaokakyo (JP)
Assigned to MURATA MANUFACTURING CO. , LTD., Nagaokakyo (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on Apr. 5, 2022, as Appl. No. 17/713,230.
Application 17/713,230 is a continuation of application No. PCT/JP2020/031152, filed on Aug. 18, 2020.
Claims priority of application No. 2019-199460 (JP), filed on Oct. 31, 2019.
Prior Publication US 2022/0278703 A1, Sep. 1, 2022
Int. Cl. H04B 1/04 (2006.01); H04B 1/00 (2006.01); H04B 1/18 (2006.01)
CPC H04B 1/0458 (2013.01) [H04B 1/0057 (2013.01); H04B 1/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A radio frequency module comprising:
a first wiring board having a first principal surface and a second principal surface, the first principal surface and the second principal surface being on opposite sides of the first wiring board;
a second wiring board having a third principal surface and a fourth principal surface, the third principal surface and the fourth principal surface being on opposite sides of the second wiring boards, the second wiring board being separated from the first wiring board in a thickness direction of the first wiring board;
a power amplifier having an output pad electrode;
an output matching circuit including a plurality of inductor parts, the output matching circuit being connected to the output pad electrode of the power amplifier; and
an external connection terminal, wherein
the second principal surface of the first wiring board and the third principal surface of the second wiring board face one another,
the external connection terminal is arranged on the fourth principal surface of the second wiring board,
the power amplifier is arranged on the first principal surface of the first wiring board, and
in the output, matching circuit, at least part of a first inductor part is arranged on the first principal surface of the first wiring board, the first inductor part being an inductor part closest to the output pad electrode of the plurality of inductor parts.