3mm锁相源研究及系统应用  

The Study and Application of 3mm PLL Frequency Synthesizer

作　　者：马海虹[1] 唐小宏[1] 何宗锐[1] 吴涛[1] 

机构地区：[1]电子科技大学电子工程学院,成都610054

出　　处：《微波学报》2006年第3期58-61,共4页Journal of Microwaves

基　　金：本文产品获国防科学技术进步奖(2005GFJ3300-5)

摘　　要：采用双环数字锁相方式完成3mm波锁相源研究,并成功应用于国内第一套“95GHz毫米波干涉仪”测速系统。提出了一种新的毫米波双环锁相源相位噪声估测方法。实验结果表明:该毫米波锁相源工作在95GHz时,输出功率大于10mW,相位噪声达到-59dBc/Hz@10kHz,在-10℃^+45℃温度范围内的频率稳定度为1.2×10-6,完全满足测速系统对毫米波发射源的高稳定、高精确度技术要求。With the technology of double phase-locked loops and digital PD, the 3mm PLL frequency synthesizer is designed, which has been triumphantly applied to the first 95GHz millimeter-wave interferometer for velocity measurement in our country. A new phase noise estimate method for millimeter wave double PLL frequency synthesizer is presented. The resuits indicate as follows： working at 95GHz, the output power of the millimeter wave frequency synthesizer is over 10mW, the phase noise is -59dBc/Hz@ 10kHz, and the stability of frequency is 1.2×10^-6 among the temperature region of -10℃ to 45℃, which can meet the requirement of system for high stability and high precision frequency synthesizer.

关 键 词：毫米波锁相源 压控振荡器(VCO) 毫米波干涉仪 频率稳定度 相位噪声 

分 类 号：TN911.8[电子电信—通信与信息系统]