基于FPGA和DDS技术的正弦信号发生器设计  

Design of Sine Signal Generator Based on FPGA and DDS Technology

作　　者：毛群[1] 王仕旭[1] 

机构地区：[1]阿坝师范高等专科学校电子信息工程系,四川成都611741

出　　处：《现代电子技术》2010年第9期118-120,共3页Modern Electronics Technique

摘　　要：该系统由FPGA、单片机控制模块、键盘、LED显示组成,采用直接数字频率合成(DDS),D/A以及实时计算波形值等技术,设计出具有频率设置功能,频率步进为100 Hz,频率范围为1 kHz^10 MHz之间正弦信号发生器。该系统的频率范围宽,步进小,频率精度较高。The system is composed of FPGA,SCM,keyboard and LED display module.A sine signal generator with frequency setting function was designed by using DDS technique,D/A converting and real-time waveform value computation,whose frequency step is 100 Hz,frequency range is 1 kHz-10 MHz.This system provides wide frequency range,small frequency step and high frequency accuracy.

关 键 词：FPGA SCM DDS 正弦信号发生器 

分 类 号：TN741[电子电信—电路与系统]