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

Claim 0:
1. A radio frequency module, comprising:
a first transmission input terminal;
a second transmission input terminal;
an antenna connection terminal;
a power amplifier;
a first switch configured to switch a first connection between the first transmission input terminal and the power amplifier and a second connection between the second transmission input terminal and the power amplifier;
a first transmission filter;
a second transmission filter;
a second switch configured to switch a third connection between the power amplifier and the first transmission filter and a fourth connection between the 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 power amplifier, 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 first semiconductor integrated circuit,
the first semiconductor integrated circuit is stacked on the power amplifier,
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 second semiconductor integrated circuit.