| 摘要 |
PROBLEM TO BE SOLVED: To provide a power amplifier module capable of suppressing bias current variation due to manufacturing variation while suppressing increase of circuit scale.SOLUTION: A power amplifier module 103A includes: an amplifier circuit 212 for amplifying a radio frequency signal and outputting it; a radio frequency amplifier circuit 201 including a first bias circuit 211 where a bias control voltage Vis supplied at its one end; and a bias control circuit 202 capable of adjusting the bias control voltage Vso as to suppress a bias current variation due to manufacturing variation of a resistor. |
