DDS中的杂散分析与抑制技术  

Spurious Analysis and Suppression in DDS

作　　者：戴尚义[1] 李东新[1] 赵建[1] 

机构地区：[1]河海大学电气工程学院,南京210098

出　　处：《中国新通信》2009年第13期72-75,共4页China New Telecommunications

摘　　要：本文简要说明了DDS的基本原理,给出了DDS杂散来源模型,分析总结了DDS中的杂散和杂散抑制的有效方法,介绍了当前研究很少的由于D/A转换器的非理想特性引起的误差及其改善的实现结构。In this paper, the basic principle of DDS was described, DDS spurious model was given, DDS spur and effective spur suppression ways were analyzed and summarized, Currently, the error was seldom studied because of non-ideal characteristics of D/A converter, and the improvement structure were introduced.

关 键 词：DDS 杂散分析 杂散抑制 D/A转换器 

分 类 号：TN74[电子电信—电路与系统]