High-speed frequency-hopping source based on Wide-band VCO

被引：0
|
作者：
Liu, Yuanyuan [1 ]
Bu, Yang [1 ]
Yang, Yunxing [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China
来源：
2016 IEEE INTERNATIONAL WORKSHOP ON ELECTROMAGNETICS: APPLICATIONS AND STUDENT INNOVATION COMPETITION (IWEM) | 2016年
关键词：
frequency hopping; impedance circuit; frequency synthesizer;
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：
When direct digital frequency synthesizer (DDS) is applied in frequency-hopping fuse, it could be restricted by circuit size and efficiency of signal. Wide-band VCO can be also employed in this fuse to realize the design of high-speed frequency hopping source. It loads an impedance circuit upon varactor which makes pseudo-code signal through impendence network without distortion and isolates the high-frequency signals. The result of simulation shows that, the time of frequency hopping is short, and signal is in high stable situation. The circuit is easily realized and the performance is excellent.
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收藏
页数：3
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