Semiconductor device

A semiconductor device comprising:

• a first Low Noise Amplifier (LNA) connected to a first receiving port;
• a second LNA connected to a second receiving port different from the first receiving port;
• a first receiving circuit including a first transformer and configured to process at least one of outputs of the first LNA and the second LNA;
• a second receiving circuit configured to process at least one of the outputs of the first LNA and the second LNA;
• and
• an RF multiplexer configured to control connections between the first LNA and the second LNA, and the first receiving circuit and the second receiving circuit,
• wherein the first receiving circuit includes a first capacitor having a first end connected to an output of the RF multiplexer and a second end connected to the first transformer, the first capacitor having a first capacitance, and
• the second receiving circuit includes a second transformer and a second capacitor having a first end connected to the output of the RF multiplexer and a second end connected to the second transformer, the second capacitor having a second capacitance different from the first capacitance.

A semiconductor device comprising:

• a first Low Noise Amplifier (LNA) connected to a first receiving port;
• a second LNA connected to a second receiving port different from the first receiving port;
• a first receiving circuit including a first transformer and configured to process at least one of outputs of the first LNA and the second LNA;
• a second receiving circuit configured to process at least one of the outputs of the first LNA and the second LNA;
• and
• an RF multiplexer configured to control connections between the first LNA and the second LNA, and the first receiving circuit and the second receiving circuit,
• wherein the first receiving circuit includes:
• a second switch that transfers the output of the RF multiplexer to the first transformer through a first capacitor having a first capacitance;
• a third switch that transfers the output of the RF multiplexer to the first transformer through a second capacitor having a second capacitance different from the first capacitance;
• and
• a first switch that connects the output of the RF multiplexer to a second end of the first capacitor and to a second end of the second capacitor to bypass the first capacitor and the second capacitor.