Abstract:

To solve the problem of the constraint on the bandwidth of DDS based on FPGA, this paper introduces a high-speed, wide-bandwidth multiphase structure waveform synthesis method. The working  principle of the system and realization method are described in detail, the simulation and analysis of this method is given. Sine wave and FM synthesized by this waveform synthesis method preform well in requency domain.

Key words: multiphase waveform synthesis, signal simulator, high bandwidth