DRM and analog broadcast transmitter adapter board based on FPGA

The invention discloses a DRM and analog broadcast transmitter adapter board based on an FPGA. The DRM and analog broadcast transmitter adapter board comprises a data input module, a signal modulation module, a clock module and a power management module. The data input module comprises an audio signal receiving unit, a digital signal receiving unit, a dial switch, an analog-to-digital converter and an interface unit; the dial switch has two states; the signal modulation module comprises a programmable logic device FPGA, a digital-to-analog converter, an output amplifier and a digital radio frequency exciter. And a plurality of functional units are integrated in the programmable logic device FPGA. According to the dial switch provided by the invention, the working mode switching of the adapter board can be realized, the compatibility is high, a plurality of functional units are integrated in the provided programmable logic device FPGA, the cost is reduced, and the processing speed and the expandability and int