频率合成器中延时线锁频环的实现与应用  

Realization and Application of Delay Line Frequency-locked Loop in the Frequency Synthesizer

作　　者：夏莹[1] 周勃 

机构地区：[1]常州信息职业技术学院,江苏常州213164 [2]上海航天电子技术研究所,上海201109

出　　处：《常州信息职业技术学院学报》2011年第2期17-19,共3页Journal of Changzhou College of Information Technology

摘　　要：详细论述了延时线锁频环在频率合成器中的功能和应用,对锁相锁频环的传递函数和相位噪声单边带功率谱密度进行分析,并给出仿真设计。仿真结果表明,将延时线锁频环用于频率合成器中,能明显改善中远端的相位噪声。The paper discusses the function and application of delay line frequency-locked loop in the frequency synthesizer in detail;analyzes the transfer function and the phase noise single sideband power spectral density of the loop in depth;and gives the simulation.The simulation results show that by using the delay line frequency-locked loop,it can improve the middle and far end phase noise in the single loop frequency synthesizer.

关 键 词：频率合成器 延时线锁频环 相位噪声 

分 类 号：TN74[电子电信—电路与系统]