A Frequency Agile Synthesizer Using DDS and PLL Techniques for FMCW Radar

被引：0
|
作者：
Zhu, Yingshen [1 ]
Zhang, Hui [1 ]
Hong, Wei [1 ]
机构：
[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
来源：
2015 ASIA-PACIFIC MICROWAVE CONFERENCE (APMC), VOLS 1-3 | 2015年
关键词：
FMCW; DDS; PLL; RADAR;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A frequency synthesizer using phase-locked loop (PLL) and direct digital synthesis (DDS) techniques for frequency modulated continuous-wave (FMCW) radar which has low phase noise is presented. Fast switching time and narrow channel spacing can be achieved by DDS. The modulation width of 850MHz, from 12.6GHz to 13.45GHz, is achieved. The phase noise of 13.4GHz frequency synthesizer at 1 MHz offset is 118.34dBc/Hz, the reference spur is better than-69dBc and the output power is over-3dBm.
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页数：3
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