基于FPGA的直接数字频率合成任意波发生电路

A FPGA -based Arbitrary Waveform Gen erator with DDS

介绍了基于FPGA,采用DDS技术实现任意波发生电路的技术方案及关键技术。该任意波发生器电路简单,程控方便,产生的波形具有相噪好、频率步进低、输出电平分辨率小、相位可调等优点,可用在各种场合。

The article introduces the project a nd key technology of a FPGA -based arb itrary waveform gen-erator with DDS.The circuit of the ge nerator is simple and the program con trol is convenient because of the waves with low phase noise,low frequency step,low level resolution,and adjustable phase.Hence,it can meet all kinds of applications.