基于FPGA的标准正弦波信号源设计  

The Design of Standard Sine Wave Supply Using FPGA

作　　者：朱月秀[1] 

机构地区：[1]温州大学城市学院,浙江温州325000

出　　处：《杭州电子科技大学学报（自然科学版）》2009年第5期14-17,共4页Journal of Hangzhou Dianzi University：Natural Sciences

摘　　要：该文介绍一种利用频率合成波形发生技术、通过单片机结合FPGA器件设计的两路相位差可调的程控低频正弦波信号发生器,输出正弦波频率分辨率0.1Hz,两路相位差分辨率0.1°,输出波形失真小、频率精度高、稳定性好,该电路设计新颖、集成度高,可作为基准信号源模块用于电能表校验等高精度系统中。This paper introduces a two-channel sine wave supply based on digital wave syntheses and designed by MCU and FPGA.The output frequency and phase-difference of the two-channel can be programmed separately with 0.1Hz and 0.1? resolution.The circuit has the functions of high frequency precision and stability and low wave distortion which can be used as a standard wave supply in high precision system such as electric power meter calibrating.

关 键 词：数字合成 正弦波 基准源 

分 类 号：TM935[电气工程—电力电子与电力传动]