| 摘要 |
An output power control circuit provided with a power amplifier circuit of an input amplifier and an output amplifier connected in series with the input amplifier, has: a first transistor having a first electrode connected to a direct current power supply and a second electrode connected to a power supply terminal of the output amplifier; a second transistor having a first electrode connected to a third electrode of the first transistor and a second electrode connected to a power supply terminal of the input amplifier; and at least one diode connected between the direct current power supply and the power supply terminal of the input amplifier. |
