Design and Improvement of a Frequency Synthesizer Based on PLL plus DDS plus PLL

被引：0
|
作者：
Sun Ying [1 ]
Yin Mei-liang [2 ]
Xie Teng [1 ]
机构：
[1] China Satellite Maritime Tracking & Control Dept, Jiangyin, Jiangsu, Peoples R China
[2] China Elect Technol Corp, Res Inst 10, Chengdu, Sichuan, Peoples R China
来源：
PROCEEDINGS OF THE 2017 2ND JOINT INTERNATIONAL INFORMATION TECHNOLOGY, MECHANICAL AND ELECTRONIC ENGINEERING CONFERENCE (JIMEC 2017) | 2017年 / 62卷
关键词：
Frequency Synthesizer; PLL plus DDS plus PLL structure; Co-frequency Interference; Countermeasure;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A L-band high performance frequency synthesizer is presented for space TT&C channel. PLL+DDS+PLL structure is used to realize small step-size, high spectrum purity and low phase noise. Experimental result shows that its phase noise is better than -100dBc/Hz@10KHz and its spurious suppression is better than -75dBc. But the additive spurious results co-frequency interference. Find out the case of co-frequency interference and propose corresponding countermeasures by analysis.
引用
收藏
页码：546 / 549
页数：4
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