US 12,451,921 B2
Radio-frequency module and communication apparatus
Daisuke Watanabe, Kyoto (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Kyoto (JP)
Filed on Aug. 14, 2023, as Appl. No. 18/449,043.
Claims priority of application No. 2022-134904 (JP), filed on Aug. 26, 2022.
Prior Publication US 2024/0072837 A1, Feb. 29, 2024
Int. Cl. H04B 1/44 (2006.01)
CPC H04B 1/44 (2013.01) 12 Claims
OG exemplary drawing
 
1. A radio-frequency module comprising:
a first amplifier;
a second amplifier;
a first switch having a first common terminal, a first selection terminal, and a second selection terminal;
a first filter connected to the first selection terminal;
a second filter connected to the second selection terminal;
a third filter;
a first inductor connected between the first common terminal and an input of the first amplifier;
a second inductor connected between the third filter and an input of the second amplifier;
a second switch connected between a first path and ground, the first path connecting the first common terminal to the input of the first amplifier;
a third switch connected between a second path and ground, the second path connecting the third filter to the input of the second amplifier; and
a third inductor connected between the first path and the second path.