| 摘要 |
<p>PROBLEM TO BE SOLVED: To stabilize the output of a power amplifier.SOLUTION: An amplification output control device includes: a determination section for determining whether there is a gain change of a power amplifier on the basis of a monitor value of input power from a driver amplifier to the power amplifier, and if determining that there is a gain change of the power amplifier, outputting a monitor value of output power of the power amplifier to a driver control section for controlling a bias voltage of the driver amplifier in accordance with the monitor value of output power of the power amplifier, to cause the driver control section to execute the control of the bias voltage of the driver amplifier; and a control section for, if the determination section finds no gain change of the power amplifier on the basis of the monitor value of input power to the power amplifier, determining whether there is a gain change of the power amplifier on the basis of the monitor value of output power of the power amplifier, and if determining that there is a gain change of the power amplifier, controlling a bias voltage of the power amplifier.</p> |
