一种调频连续雷达波超低相位噪声频率综合器的设计与实现  

A Design of Frequency Synthesizer Concerning with Frequency-Modulated Continuous Wave of Low Phase Noise

作　　者：陈建辉 滕娟 李青 CHEN Jian-hui;TENG Juan;LI Qing(The Fourth Research Institute of Telecommunications Technology Co.,Ltd.,Xi'an 710061,China)

机构地区：[1]电信科学技术第四研究所有限公司,西安710061

出　　处：《无线通信技术》2022年第3期46-49,共4页Wireless Communication Technology

摘　　要：本文利用直接数字频率合成器(DDS)、低相位噪声锁相技术和可编程逻辑器件(PLD),设计了一种调频连续雷达波(FMCW)超低相位噪声频率综合器。该频率综合器在X波段频率不仅可以实现相位噪声-106dBc/Hz@1kHz和-147dBc/Hz@1MHz的指标,而且还具有捷变频、数字幅度控制、低功耗、体积小和重量轻等优异特性。The ultra-low phase noise frequency synthesizer for frequency modulated continuous radar wave(FMCW) is designed by using direct digital synthesizer(DDS), technology of phase lock loop with low phase noise, and programmable logic device(PLD). This designed frequency synthesizer can not only make the phase noise at-106 dBc/Hz@1 kHz and-147 dBc/Hz@1 MHz, but also has excellent characteristics such as frequency agility, digital amplitude modulated, low power consumption, small volume and light weight.

关 键 词：调频连续波雷达(FMCW) 直接数字频率合成(DDS) 可编程逻辑器件(CPLD) 低相位噪声锁相技术 

分 类 号：TN925.2[电子电信—通信与信息系统]