Patent ID: 11881878
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A radio frequency module, comprising:
a transmission input terminal;
an antenna connection terminal;
a first power amplifier;
a second power amplifier;
a first switch configured to switch a first connection between the transmission input terminal and the first power amplifier and a second connection between the transmission input terminal and the second power amplifier;
a first transmission filter;
a second transmission filter;
a second switch configured to switch a third connection between the first power amplifier and the first transmission filter and a fourth connection between the first power amplifier and the second transmission filter;
a first reception filter;
a low noise amplifier connected to the first reception filter;
a third switch configured to switch a fifth connection between the antenna connection terminal and the first transmission filter and a sixth connection between the antenna connection terminal and the second transmission filter and a seventh connection between the antenna connection terminal and the first reception filter; and
a module board that includes a first principal surface and a second principal surface on opposite sides of the module board;
wherein
the first power amplifier and the second power amplifier are included in a first semiconductor integrated circuit,
the first semiconductor integrated circuit, the first transmission filter, the second transmission filter and the first reception filter are disposed on the first principal surface,
the first switch and a control circuit are included in a second semiconductor integrated circuit,
the second semiconductor integrated circuit is stacked on the first semiconductor integrated circuit,
the second switch, the third switch and the low noise amplifier are disposed on the second principal surface, and
the second switch and at least one of the third switch and the low noise amplifier are included in a third semiconductor integrated circuit.