摘要
简单介绍了DDS和PLL的基本原理及其它们在捷变频频率合成器应用中的优缺点。阐述其在某型米波雷达频率合成器中的使用情况。
This paper introduces DDS and PLL's principle,their advantages and disadvantages when they are used in frequency synthesizer with frequecy hopping fast,and describes their utilizes in some model radar frequency synthesizer.In the end,some perfomance indexes are illustrated.
出处
《舰船电子对抗》
2004年第2期24-27,39,共5页
Shipboard Electronic Countermeasure
关键词
频率合成器
捷变频
相位噪声
DDS
PLL
frequency synthesizer
DDS
PLL
Phase noise
fast hopping frquency