| 摘要: |
| 阐述了频率合成技术在现代电子系统中的重要性.归纳了直接式、间接锁相式、直接数字以及混合式频率合成技术,简述了这些频率合成技术的原理,比较了它们的优缺点.调查了国内外的频率合成技术的发展现状,给出了一些专业公司的频率合成产品的指标. |
| 关键词: 频率合成技术 锁相 DDS 综述 |
| DOI：10.3969/j.issn.1001-893X. |
| Revised:January 12, 2007 |
| 基金项目: |
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| Research Progress of Frequency Synthesis Techniques |
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| () |
| Abstract: |
| The importance of frequency synthesis techniques in modern electronic system is presented. Direct frequency synthesis technique, PLL, DDS and hybrid frequency synthesis technique are presented as well as their principles.At the same time, the advantages and disadvantages of the techniques are compared, also, the development state of frequency synthesis at home and abroad is surveyed,and some companies' frequency synthesizers are listed in this paper. |
| Key words: frequency synthesis techniques,phase lock,DDS,overview |
