现代频率合成技术的研究进展  

Research Progress of Frequency Synthesis Techniques

作　　者：杨檍[1] 鲍景富[2] 

机构地区：[1]中国西南电子技术研究所,成都610036 [2]电子科技大学电子工程学院,成都610054

出　　处：《电讯技术》2007年第2期1-5,共5页Telecommunication Engineering

摘　　要：阐述了频率合成技术在现代电子系统中的重要性。归纳了直接式、间接锁相式、直接数字以及混合式频率合成技术,简述了这些频率合成技术的原理,比较了它们的优缺点。调查了国内外的频率合成技术的发展现状,给出了一些专业公司的频率合成产品的指标。The importance of frequency synthesis techniques in modem electronic system is presented. Direct frequency synthesis technique, PLL, DDS and hybrid frequency synthesis technique are presented as well as their principles. At the same time, the advantages and disadvantages of the techniques are compared, also, the development state of frequency synthesis at home and abroad is surveyed, and some companies＇frequency synthesizers are listed in this paper.

关 键 词：频率合成技术 锁相 DDS 综述 

分 类 号：TN74[电子电信—电路与系统]