摘要: |
本文介绍基于锁相技术的Ku波段上变频器,重点论述了一种特殊形式的锁相环——移频锁相环(OPLL),给出了Ku波段锁相上变频器的实现原理和方法,并结合实现OPLL的几项关键技术,对典型电路进行了分析。最后,给出了关键电路的试验结果。 |
关键词: Ku波段上变频 锁相环(PLL) 移频锁相环(OPLL) 甚小口径数据终端(VSAT) |
DOI:10.3969/j.issn.1001-893X. |
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基金项目:国家部委预研项目(002404050302) |
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Application of Ku-band Up-conversion with OPLL in VSAT Communication System |
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Abstract: |
The Ku-band up-conversion based on Phase-Locked technology is recommended and a special Phase Locked Loop(PLL),or Offset Phase Locked Loop(OPLL) is discussed. The implementation principle and method of Ku-band up-conversion with OPLL are described. Finally, some experiments on typical circuits are introduced. |
Key words: Ku-band up-conversion,Phase locked loop(PLL),Offset phase lock loop(OPLL),Very small aperture data terminal(VSAT) |