一种C波段捷变频率源的设计  

Design of Agile Frequency Synthesizer at C-band

作　　者：程明[1] 周叶华[1] 刘茉莉[1] CHENG Ming;ZHOU Yehua;LIU Moli(The 36th Institute of China Electronics Technology Corporation,Jiaxing 314033,China)

机构地区：[1]中国电子科技集团公司第三十六研究所,浙江嘉兴314033

出　　处：《压电与声光》2018年第5期680-683,共4页Piezoelectrics & Acoustooptics

基　　金：国防重点实验室基金资助项目(9140C130201150C13065)

摘　　要：频率源是接收机的重要组成部分,对接收机性能有重要影响。该文介绍了一种C波段捷变频率源的设计,给出了设计原理和仿真,并进行了系统集成,最终完成了一款C波段频率模块的制作。测试结果表明,该频率源模块输出频率为4.0~8.0GHz,输出幅值大于5dBm,相位噪声优于-102dBc/Hz@10kHz,换频速度小于10μs,杂散抑制大于70dB,具有很好的环境适应性,主要性能指标均满足设计要求。已形成货架化接收机模块,批量生产超过2 000块,应用于多个工程项目中,产生了较好的经济和社会效益。The frequency source is an important part of the receiver and has a significant impact on receiver performance.In this paper,the design of a C band agile frequency source is introduced,the design principle and simulation are given,and the system integration is carried out.Finally,a C band frequency module is fabricated.The test results show that the output frequency of the frequency synthesizer module is 4.0-8.0 GHz,the output amplitude is greater than 5 dBm,the phase noise is better than-102 dBc/Hz@10 kHz,the frequency changing speed is less than10μs,and the stray suppression is greater than 70 dB,the module has good environmental adaptability,and the main performance specifications meet the design requirements.The off-the-shelf receiver modules have been fabricated,which have produced over 2 000 blocks in batch production and has been applied to many engineering projects,resulting in better economic and social benefits.

关 键 词：捷变频率源 接收机 相位噪声 锁定时间 C波段 

分 类 号：TN74[电子电信—电路与系统] TM933.3[电气工程—电力电子与电力传动]