| 摘要 |
The power amplifier according to the present invention has: a first amplifying unit and a second amplifying unit provided with a plurality of amplifying circuits connected in parallel in which a bias voltage can be adjusted in accordance with a control signal supplied from outside, the first amplifying unit and the second amplifying unit for amplifying an input signal by each amplifying circuit and combining and outputting the amplified signal; a divider for dividing the input signal to the first amplifying unit and the second amplifying unit; and a combiner for combining and outputting an output signal of the first amplifying unit and an output signal of the second amplifying unit. |
