一种S波段频率合成器的设计与实现  

The Design and Implementation of An S-band Digital Frequency Synthesizer

作　　者：阎炜 倪鸣 Yan Wei;Ni Ming(724 Research Institute,China Shipbuilding Industry Corporation,Nanjing 211153,China)

机构地区：[1]中国船舶重工集团公司第七二四研究所,江苏南京211153

出　　处：《信息通信》2018年第6期14-16,共3页Information & Communications

摘　　要：频率合成器是雷达及通信系统的重要组成部分,现代雷达一般要求频率合成器在较小的体积下有宽工作频带范围、快速变频能力、较小的杂散和相位噪声。该方案采用多通道DDS合成技术与倍频器相结合的方法得到S波段本振信号,根据项目实际的指标要求,进行了器件选型和整个电路的设计,测试结果满足设计要求。Frequency synthesis technology is an important part of radar and communication system, modem radar generally？ re- quires the frequency synthesizer under the smaller volume has a wide operating frequency range and fast frequency conversion ability, small stray and phase noise. This scheme uses the multi-channel DDS synthesis technology and the combination of the frequency multiplier to get the local vibration signal in the S band, according to the requirements of the project actual indicators, the device type selection and design of the whole circuit, the test rsults meet the design requirements.

关 键 词：频率合成 S波段 直接数字频率合成 现场可编程门阵列 倍频器 阶跃恢复二极管 

分 类 号：TN952[电子电信—信号与信息处理]