基于DDS技术三相功率可控PWM信号的FPGA实现  

The Implementation of Three Phase and Controllable Power Amplifying PWM Signal Based on FPGA and DDS Technique

作　　者：黄守麟[1] 陈冬连[1] 罗晓曙[1] 

机构地区：[1]广西师范大学电子工程学院

出　　处：《电子技术（上海）》2011年第4期30-31,共2页Electronic Technology

摘　　要：本文利用FPGA和DDS技术实现了高精度、高分辨率的三相PWM脉冲信号,并通过AGC程控放大技术实现对PWM信号的功率可控。本设计具有控制灵活,输出频率稳定和范围宽等优点,具有广阔的应用价值。Three phase PWM signal with high accuracy and high resolution is implemented utilizing FPGA and DDS technique,and the controllable power of the PWM signal is implemented by using the AGC program-controlled amplification controlled technique.This design has such advantages as flexible control,stable output frequency,and wide range,so has good application prospect.

关 键 词：现场可编程门阵列 直接数字频率合成 功率放大可控 脉宽调制 

分 类 号：TP312[自动化与计算机技术—计算机软件与理论]