| 摘要 |
PROBLEM TO BE SOLVED: To provide a high frequency amplifier with a detection circuit which reduces a detection voltage error by attenuating a harmonic and implements a compact size.SOLUTION: The high frequency amplifier is so constructed that a semiconductor integrated circuit board including a power amplification section, a first connection pad disposed on an output side of the power amplification section, the detection circuit for detecting an output signal of the power amplification section and a third connection pad disposed on an input side of the detection circuit via a capacitor, and a semiconductor mounting board including an output matching circuit and a second connection pad disposed on an input side of the output matching circuit are electrically connected at the first connection pad of the semiconductor integrated circuit board and the second connection pad of the semiconductor mounting board by means of a first connection member, and are electrically connected at the third connection pad of the semiconductor integrated circuit board and the second connection pad of the semiconductor mounting board by means of a second connection member. |
