副载波产生电路的FPGA实现  

FPGA Realization of Subcarrier Generation Circuit

作　　者：冯春波[1] 吴金[1] 陆生礼 

机构地区：[1]东南大学IC学院,南京210096

出　　处：《电子器件》2007年第2期672-674,共3页Chinese Journal of Electron Devices

摘　　要：副载波产生电路是视频处理系统的重要组成部分.介绍了直接数字频率合成(DDFS)原理及副载波在视频信号处理中的作用;利用DDFS技术设计出一种改进的副载波产生电路结构.FPGA的设计实现是以系统方案为输入,进行RTL级描述、逻辑综合、器件编程测试激励等一系列流程的处理才能完成FPGA芯片设计.利用Altera公司的FPGA器件(EP2C35)实现电路结构、功能和仿真结果.The subcarrier generation circuit is very important constituent in the video process system.The direct digital frequency synthesis(DDFS)principle,and the functions of the subcarrier in video signal processing was introduced.Designs one kind of improvement subcarrier circuit structure,which used DDFS technology.The design realization of FPGA was based on system design scheme,carrying on a series of processing,it includes RTL description,logic synthesis,testbench,device programming and finally completing FPGA...

关 键 词：副载波 直接数字频率合成(DDFS) FPGA设计 功能仿真 

分 类 号：TN791[电子电信—电路与系统]