| 对环路滤波器调制实现锁相环音频调频的技术 |
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| 引用本文： | 陈良,张弘.对环路滤波器调制实现锁相环音频调频的技术[J].成都信息工程学院学报,2008,23(5). |
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| 作者姓名： | 陈良 张弘 |
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| 作者单位： | 四川大学电子信息学院,四川,成都,610065 |
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| 摘 要： | 介绍了对环路滤波器调制的一点注入式调频的实现原理、设计要点、工程设计实例及测试结果.实测表明通过对环路滤波器的一点注入式调频,是一种切实可行的性价较高的音频调频方式.
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| 关 键 词： | 锁相环路 环路滤波器 环路带宽 环路相位裕度 鉴相器 压控振荡器 鉴相泄露 |
Audio frequency modulation technique of PLL based on loop filter |
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| CHEN Liang,ZHANG Hong.Audio frequency modulation technique of PLL based on loop filter[J].Journal of Chengdu University of Information Technology,2008,23(5). |
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| Authors: | CHEN Liang ZHANG Hong |
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| Institution: | CHEN Liang,ZHANG Hong(College of Electronics & Information Engineering,SCU,Chengdu 610064,China) |
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| Abstract: | The principle,design essential points,example and test result of the audio frequency modulation based on the loop filter of the PLL is introduced.The result shows that the project has a high performance with low cost by using the audio frequency modulation technique of the PLL based on the loop filter. |
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| Keywords: | PLL loop filter(LP) loop bandwidth phase margin PD VCO leakage spur |
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