基于DDS技术的高精度双路可移相波形信号发生器设计

Design of high-precision and dual-channel waveform signal generator with phase-shift based on DDS technology

DDS是一种全新的数字频率合成技术.基于DDS的基本原理,利用Altera公司的FPGA芯片EP2C5Q208C8N设计了高精度双路可移相波形信号发生器.系统测试表明该信号发生器具有调频、调相和调幅等多种功能,有良好的实用性.

DDS is one kind of brand-new digital frequency synthesis technology.Based on the theory of DDS,this paper designs a high-precision and dual-channel waveform signal generator with phase-shift by using Altera Corporation＇s FPGA chip EP2C5Q208C8N.The system test indicates that this signal waveform generator has the frequency modulation,the phase modulation and the amplitude modulation and so on.The signal waveform generator has a good practical value.