Patent ID: 11881876
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 16:
17. A radio frequency module, comprising:
a first transmission input terminal;
a module board that includes a first principal surface and a second principal surface on opposite sides of the module board;
a first power amplifier configured to amplify a transmission signal in a first frequency band;
a second power amplifier configured to amplify a transmission signal in a second frequency band different from the first frequency band;
a first transmission filter;
a second transmission filter;
a first switch including a first common terminal connected to an output terminal of the first power amplifier, a second common terminal connected to an output terminal of the second power amplifier, a first selection terminal connected to the first transmission filter, and a second selection terminal connected to the second transmission filter; and
a second switch including a third common terminal directly connected to an input terminal of the first power amplifier, a third selection terminal connected to the first transmission input terminal, wherein
the first power amplifier and the second power amplifier are disposed on the first principal surface,
the first switch is disposed on the second principal surface, and
the second switch is disposed on the first principal surface or the second principal surface,
the first output transformer is larger than the second output transformer, and
in a plan view of the module board,
a footprint of the first power amplifier at least partially overlaps a footprint of the first switch, and
a footprint of the second power amplifier does not overlap the footprint of the first switch.