| 摘要 |
PROBLEM TO BE SOLVED: To provide an amplifier circuit capable of achieving both a high efficiency and a high gain.SOLUTION: The amplifier circuit includes: a plurality of transistors (T1-Tn); a plurality of first transmission lines (A2 to An) respectively connected between the input terminals of the plurality of transistors; a plurality of second transmission lines (B1 to Bn-1) respectively connected between the output terminals of the plurality of transistors; an input node (IN) connected to the input terminal of a transistor at the initial stage among the plurality of transistors; an output node (OUT) connected to the output terminal of a transistor at the final stage among the plurality of transistors; and a capacitor (103) connected to the output terminal of the transistor at the initial stage through a third transmission line (102). |
