Open type experiment platform for communication principle

The utility model relates to an open type experiment platform for communication principle, which is based on architecture of PC, MCU and FPGA. A PC is connected with an experimental board by a serial port and a debugging interface. The utility model is mainly composed of a core circuit and a peripheral circuit, wherein the core circuit mainly comprises an MCU, an FPGA and an NVRAM memory; the peripheral circuit comprises a serial communication module and an MCU JTAG interface circuit; the FPGA is collocated with an interface circuit, a voice input module, a voice output module, a multi-way AD input module, a multi-way DA output module, a wireless transmission module, a PAM modulating module, an HDB coding and decoding module, a digital demodulation module, a DDS digital modulation and frequency synthesis module, a phase-locked loop module, an LED, a thumb wheel switch module, etc. The utility model can complete a plurality of experiments of the communication principle as well as can be used for experiments and design of other subjects, diploma design and electronic competitions and can arrange contents of experiments according to different requirements of teaching and interest and ability of students.