| 摘要 |
PROBLEM TO BE SOLVED: To provide a semiconductor power amplifier that allows efficient prevention of a reflection wave and performing a stable operation even if the impedance of a load changes widely and the amplifier is under strong magnetic field environment.SOLUTION: The semiconductor power amplifier includes: an input-side amplifier receiving and amplifying an input signal; a balanced amplifier connected to an output terminal of the input-side amplifier, including two hybrid couplers and a plurality of power amplifiers, passing the input signal, and converting a reflection wave into thermal energy; and an output-side amplifier connected to an output terminal of the balanced amplifier and amplifying an output signal. |
