RADIO FREQUENCY TRANSMITTER AND SIGNAL AMPLIFICATION METHOD FOR SAME

摘要

The present invention relates to a radio frequency transmitter comprising: a signal source which generates a signal of a preset intermediate frequency band; a local oscillator which generates a signal of a preset high frequency band as a carrier signal; a power amplifier which amplifies the signal generated by the local oscillator into a signal having a desired transmission level; and a parametric converter module which receives the signal output by the signal source and the signal output by the power amplifier, and outputs a radio signal for transmission, wherein the parametric converter module directly outputs the radio signal without any additional amplification.