| 一种低噪声快速转换频率合成器的设计与实现 |
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| 引用本文： | 谢谢. 一种低噪声快速转换频率合成器的设计与实现[J]. 电子科技, 2012, 25(7): 92-94 |
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| 作者姓名： | 谢谢 |
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| 作者单位： | 陕西烽火电子股份有限公司,陕西宝鸡,721006 |
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| 摘 要： | 介绍了一种低相位噪声、快速转换频率合成器的设计与实现，采用DDS、变带宽、频率预置等多种措施，频率转换时间〈80μs，并对实验结果进行了分析讨论。实验结果表明，该合成器相位噪声具有良好、锁定时间短，适合在超短波电台中应用。
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| 关 键 词： | 频率合成器 相位噪声 转换时间 DDS |
Design and Implementation of a Frequency Synthesizer with Low Phase Noise and Quick Frequency Changing |
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| XIE Xie. Design and Implementation of a Frequency Synthesizer with Low Phase Noise and Quick Frequency Changing[J]. Electronic Science and Technology, 2012, 25(7): 92-94 |
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| Authors: | XIE Xie |
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| Affiliation: | XIE Xie (Shaanxi Fenghuo Electronics Co.Ltd,Baoji 721006,China) |
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| Abstract: | The design and realization of a frequency synthesizer with low phase noise and quick frequency changing are described.The frequency synthesizer adopts DDS,different bandwidth method,frequency presetting and other methods.The frequency changing time is less than 80 μs.Experiment results show that the proposed synthesizer has good phase noise performance and short locking time,and is suitable for application in ultrashort wave radio. |
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| Keywords: | frequency synthesizer phase noise changing time DDS |
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