Power supply apparatus for power amplifier

Abstract

A power supply apparatus for a power amplifier is provided. A power supply apparatus for a power amplifier comprising: a converter configured to convert input power into drive power; a detector configured to transmit the driving power from the converter to the power amplifier, including an inductor formed on a detection path of the driving power, and configured to detect power information on the driving power to generate a detection signal; a controller configured to: the power conversion of the converter is controlled based on an envelope signal of a signal input to the power amplifier and the detection signal.