An orthogonal frequency division multiplex, OFDM, modulated wave transmitter apparatus comprising: an OFDM symbol signal generating circuit which is adapted to generate an OFDM symbol signal from transmission data; an OFDM signal generating circuit which is adapted to generate an OFDM modulated wave signal from the OFDM symbol signal; a control circuit which is adapted to generate a power supply control signal or PS control signal and a power amplifier control signal or PA control signal from the OFDM symbol signal; a DC-DC converter which is adapted to generate an output voltage of a power supply based on the PS control signal generated by the control circuit; and a power amplifier which is adapted to amplify and output the OFDM modulated wave signal generated by the OFDM signal generating circuit based on at least one of the output voltage controlled by the DC-DC converter and the PA control signal generated by the control circuit, characterized in that the PA control signal controls the internal bias current or voltage of the power amplifier, the control circuit includes an inverse fast Fourier transform (IFFT) circuit, the control circuit is adapted to generate the PS control signal and the PA control signal from the OFDM symbol signal based on whether or not the OFDM modulated wave signal is within a band capable of being followed by the PA control circuit; and the control circuit is adapted to invalidate a control of the output voltage generated by the DC-DC converter if the OFDM symbol signal exists outside the band capable of being followed, and to generate a power control signal so that a preset output voltage is output from the DC-DC converter. an OFDM symbol signal generating circuit which is adapted to generate an OFDM symbol signal from transmission data; an OFDM signal generating circuit which is adapted to generate an OFDM modulated wave signal from the OFDM symbol signal; a control circuit which is adapted to generate a power supply control signal or PS control signal and a power amplifier control signal or PA control signal from the OFDM symbol signal; a DC-DC converter which is adapted to generate an output voltage of a power supply based on the PS control signal generated by the control circuit; and a power amplifier which is adapted to amplify and output the OFDM modulated wave signal generated by the OFDM signal generating circuit based on at least one of the output voltage controlled by the DC-DC converter and the PA control signal generated by the control circuit, the PA control signal controls the internal bias current or voltage of the power amplifier, the control circuit includes an inverse fast Fourier transform (IFFT) circuit, the control circuit is adapted to generate the PS control signal and the PA control signal from the OFDM symbol signal based on whether or not the OFDM modulated wave signal is within a band capable of being followed by the PA control circuit; and the control circuit is adapted to invalidate a control of the output voltage generated by the DC-DC converter if the OFDM symbol signal exists outside the band capable of being followed, and to generate a power control signal so that a preset output voltage is output from the DC-DC converter.