Radio frequency circuit and radio frequency module

A radio frequency module comprising:

• a module board;
• a first input terminal disposed on the module board and configured to receive an external transmission signal in a first band;
• a power amplifier circuit disposed on the module board and connected to the first input terminal, the power amplifier circuit being configured to support a first power class;
• a filter circuit disposed on the module board and connected to the power amplifier circuit;
• a second input terminal disposed on the module board and configured to receive an external transmission signal in the first band, the external transmission signal being amplified to have power that satisfies a maximum output power of a second power class that is greater than a maximum output power of the first class;
• and
• a switch circuit disposed on the module board and including:
• a first terminal connected to an antenna connection terminal,
• a second terminal connected to the filter circuit, and
• a third terminal connected to the second input terminal.

A radio frequency circuit comprising:

• a first radio frequency circuit;
• a second radio frequency circuit;
• and
• a switch circuit that includes:
• a first terminal connected to an antenna connection terminal,
• a second terminal connected to the first radio frequency circuit, and
• a third terminal connected to the second radio frequency circuit,
• wherein the first radio frequency circuit includes:
• a low-noise amplifier circuit configured to support reception of a signal in a first band used in a first power class and a second power class having a maximum output power greater than a maximum output power of the first power class, and
• a first filter circuit connected to the low-noise amplifier circuit, and having a passband that includes the first band;
• the second radio frequency circuit includes:
• a power amplifier circuit configured to support the second power class, and
• a second filter circuit connected to the power amplifier circuit, and having a passband that includes the first band;
• the first radio frequency circuit and the switch circuit are mounted on a first module board;
• and
• the second radio frequency circuit is mounted on a second module board.