The utility model relates to a broadband radiofrequency drive device. The broadband radiofrequency drive device comprises a power supply management module, and a synthesized source module, a microprocessor module, a monitoring protection circuit module and a power amplifier module, which are connected with the power supply management module, wherein the frequency synthesized source module is provided with two signal output ports, the two signal output ports are connected with the power amplifier module, two output ports of the power amplifier module are respectively connected with a to-be-driven device through a connector, the power amplifier module is connected onto the detection protection circuit module, the microprocessor module is arranged between and connected with the frequency synthesized source module and the detection protection circuit module, and the frequency synthesized source module, the microprocessor module, the monitoring protection circuit module, the power supply management module and the power amplifier module are arranged in a shell. The frequency, phase and amplitude of an output signal of the broadband radiofrequency drive device are adjustable, and the broadband radiofrequency drive device is applicable to different to-be-driven devices and convenient to adjust.