Semiconductor device, switching system, and matrix converter

A semiconductor device comprising:

• a semiconductor switch that includes a first source terminal, a second source terminal, a first gate terminal, and a second gate terminal;
• a first rectifier circuit that rectifies a first high-frequency signal to generate a first output signal and outputs the first output signal, the first rectifier circuit including a first input terminal from which the first high-frequency signal is input, a first input reference terminal, a first output terminal from which the first output signal is output, and a first output reference terminal coupled with the first input reference terminal at an equal potential;
• and
• a second rectifier circuit that rectifies a second high-frequency signal to generate a second output signal, the second rectifier circuit including a second input terminal from which the second high-frequency signal is input, a second input reference terminal, a second output terminal from which the second output signal is output, and a second output reference terminal coupled with the second input reference terminal at an equal potential, wherein
• the semiconductor switch, the first rectifier circuit, and the second rectifier circuit are integrated on a common board,
• on the board, the first output terminal of the first rectifier circuit is coupled to the first gate terminal of the semiconductor switch, and the first output reference terminal of the first rectifier circuit is coupled to the first source terminal of the semiconductor switch, and
• on the board, the second output terminal of the second rectifier circuit is coupled to the second gate terminal of the semiconductor switch, and the second output reference terminal of the second rectifier circuit is coupled to the second source terminal of the semiconductor switch.