Ultra-wideband agile frequency source applied to power amplifier

The utility model provides an ultra-wideband agile frequency source applied to a power amplifier. The ultra-wideband agile frequency source comprises a control circuit, a DDS circuit and a power supply circuit, the DDS circuit comprises a built-in oscillation source, a first radio frequency transformer, a frequency synthesizer, a second radio frequency transformer, a filter circuit and a radio frequency amplification circuit. The output end of the built-in oscillation source is connected with the first end of the first radio frequency transformer, and the second end and the third end of the first radio frequency transformer are connected with the first input end and the second input end of the frequency synthesizer respectively. The first output end of the frequency synthesizer and the second output end of the frequency synthesizer are respectively connected with the first end of the second radio frequency transformer and the second end of the second radio frequency transformer, the output end of the filter c