DISTORTION COMPENSATION CIRCUIT

摘要

There is provided a distortion compensation circuit capable of accurately expressing a modulation signal, i.e., realizing a low distortion characteristic of an amplifier while suppressing increase of the compensation data and increase of the circuit size. According to a stationary characteristic compensation circuit (11) for storing an output signal amplitude and an output phase characteristic for control voltage in the stationary state, amplitude information r11(t) which has performed amplitude correction is subjected to amplitude adjustment by a first amplitude information adjustment unit (13), thereby improving the response of the output signal amplitude of the amplifier for the change of control voltage while suppressing increase of the compensation data.