一种X波段小型化频率综合器的设计  

Design of a Miniaturized X-Band Frequency Synthesizer

作　　者：朱剑波[1] 李科[2] 刘虹[2] 庞佑兵[2] 费冲[2] 

机构地区：[1]中国空空导弹研究院,河南洛阳471009 [2]中国电子科技集团公司第二十四研究所,重庆400060

出　　处：《微电子学》2013年第4期513-515,共3页Microelectronics

摘　　要：介绍了一种低杂散的小型化X波段频率综合器。基于SMT工艺,采用间接频率合成技术,使用锁相环、压控振荡器芯片、3阶无源环路滤波器和前置分频器实现频率综合。介绍了小型化的设计思路。仿真和测试结果表明,设计的频率综合器输出频率为9.2GHz,相位噪声优于-87dBc/Hz@10kHz,杂散优于-87.5dBc。该电路具有相噪低、杂散低、结构简单等优点,可广泛应用于通信、雷达等领域。A practical miniaturized low spur X-band frequency synthesizer based on SMT was presented. In this design, phase-locked loop, voltage controlled oscillator, 3^rd-order passive loop filter and prescaler were used to realize frequency synthesis. Simulation and test results showed that the frequency synthesizer had an output frequency of 9. Z GHz, a phase noise less than -87 dBc/Hz @ 10 kHz, and a spur below -87. 5 dBc. With low phase noise, low spur and simple structure, the circuit is applicable for communication and radar systems.

关 键 词：小型化 锁相环 频率综合器 

分 类 号：TN742.2[电子电信—电路与系统]