摘要
阐述了DDS发展历程以及其基本原理,对几种常用的频率合成器的性能作了比较,其中着重讲述了DDS的优缺点。概述了DDS的具体应用领域,并论述了国内外的DDS的发展现状,给出了一些专业公司的频率合成产品的参数指标。
This article discusses the development and basic principle of DDS, and compares the performance of several commonly used frequency synthesizers with the emphasis on the advantages and disadvantages of DDS. The fields in which DDS finds practical use are briefly introduced, and its research status home and abroad are depicted. Parameters of some frequency synthesizer products from some professional companies are also provided.
出处
《电子科技》
2008年第3期73-78,共6页
Electronic Science and Technology
关键词
直接数字频率合成器
锁相环
应用领域
direct digital synthesis
phase -locked loop
application field
