| 宽带小步进特高频频率合成器的实现 |
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| 引用本文： | 张伟,叶家骏. 宽带小步进特高频频率合成器的实现[J]. 上海电力学院学报, 2005, 21(1): 47-50 |
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| 作者姓名： | 张伟 叶家骏 |
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| 作者单位： | 上海大学,通信与信息工程学院,上海,200072 |
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| 摘 要： | 直接数字合成(DDS)是近年发展非常迅速的一种新型合成技术，有频率分辨率高，转换时间短等特点，与锁相合成技术(PLL)配合，可以设计出频带宽、分辨率高的频率合成器．介绍了DDS的基本原理及DDS PLL的基本实现方法，设计了一种特高频率、宽频带、小步进的频率合成器．
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| 关 键 词： | 频率合成器 步进 特高频 宽带 直接数字合成 合成技术 频率分辨率 转换时间 基本原理 频带宽 DDS 高频率 宽频带 设计 锁相 |
| 文章编号： | 1006-4729(2005)01-0047-04 |
| 收稿时间： | 2004-12-24 |
| 修稿时间： | 2004-12-24 |
The Realization of Wide Band Small Step High Frequency''s Synthesizer |
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| ZHANG Wei and YE Jia-jun. The Realization of Wide Band Small Step High Frequency''s Synthesizer[J]. Journal of Shanghai University of Electric Power, 2005, 21(1): 47-50 |
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| Authors: | ZHANG Wei and YE Jia-jun |
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| Affiliation: | School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China and School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China |
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| Abstract: | The direct digital synthesis (DDS) is a new kind of synthesis technology which has developed quickly in recent years. It has the advantages of high frequency resolution and short tuning time. Combined with phase locked loop (PLL), a wide band, high resolution's frequency synthesizer can be designed. This paper introduces the basic theory of DDS and the method to achieve DDS+PLL, presenting an example of designing a high frequency, wide band, small step's frequency synthesizer. |
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| Keywords: | DDS PLL mix frequency frequency synthesize |
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