Patent ID: 7212791

Claim:
A transmitter comprising: an amplitude phase extracting unit, extracting amplitude data and phase data from inputted transmit data; a first delay unit, delaying the amplitude data; a second delay unit, delaying the phase data; a phase modulating unit, modulating the phase of the phase data; a high frequency amplifying unit, using a phase modulating signal from the phase modulating unit as an input signal to amplify the power of a high frequency signal; an amplitude modulating unit, modulating the amplitude of the amplitude data to output an amplitude modulating signal for controlling source voltage applied to the high frequency amplifying unit; a delay quantity table, storing delay quantity data preset in accordance with the state of the transmitter; and a delay quantity switching and control unit, switching and controlling the quantity of delay of the first delay unit and the second delay unit on the basis of the delay quantity data of the delay quantity table.