| 用于超小型快速截获接收机的频率合成器 |
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| 引用本文： | 恽小华 恽才华. 用于超小型快速截获接收机的频率合成器[J]. 南京理工大学学报(自然科学版), 1995, 19(2): 125-127 |
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| 作者姓名： | 恽小华 恽才华 |
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| 作者单位： | 南京理工大学微波工程研究中心 |
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| 摘 要： | 该文针对超小型快速截获接收机的需求，研究了锁相式频率合成技术，采用宽带锁相环和电压预置法来提高频率捷变速度，同时，采用带阻滤波器，相位补偿电路来改善宽带锁相环的杂散性能和稳定性。
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| 关 键 词： | 锁相式 频率合成器 频率捷变 接收机 |
A Frequency Synthesizer for Miniature High-Speed Acquisition Receiver |
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| Yun Xiaohua,Yun Caihua,Zhang Guochun,Zhou Baihua. A Frequency Synthesizer for Miniature High-Speed Acquisition Receiver[J]. Journal of Nanjing University of Science and Technology(Nature Science), 1995, 19(2): 125-127 |
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| Authors: | Yun Xiaohua Yun Caihua Zhang Guochun Zhou Baihua |
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| Abstract: | The phase-looked loop (PLL )frequency synthesis for miniature,high-speedacquisition receiver is researched in this paper. Wide-band PLL and voltage preset methodare proposed to improve the frequency agile speed.Band stop filter and phase compensation circuit are used to improve the spur performance and stability of wide-band PLL. Dueto using advanced MMIC PLL and VCO,the researched frequency synthesizer has smallvolume,fast switching speed and low phase noise. |
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| Keywords: | phase lock frequency synthesizer frequency agility fast transformations |
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