Patent attributes
A transmitter according to the present invention is a transmitter conforming to the EER method, wherein a modulated signal is separated into phase and amplitude components, and the components are input to the high-frequency input terminal and the power supply voltage terminals of a high-frequency power amplifier. This transmitter comprises an amplitude delay corrector and a phase delay corrector capable of correcting delay time so that the phase and amplitude components are optimally synthesized using two or more stages of saturation-type amplifiers constituting the high-frequency power amplifier. With this configuration, a synthesis error can be reduced in each stage of the saturation-type amplifier, and distortion components in the output waveform can be reduced.
