| 锁相环电路中一种新的相位检测方法 |
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| 引用本文： | 陆晾.锁相环电路中一种新的相位检测方法[J].电子质量,2001(1):10-12. |
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| 作者姓名： | 陆晾 |
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| 作者单位： | 上海交通大学电子信息学院研究生 |
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| 摘 要： | 本文介绍了一种新的相位检测方法。它能在1／4信号周期内检测出两个正弦信号之间的相差，其相差由流输出电压的幅度表示，并通过该电压的正负来判别相应相位是超前还是滞后。由于本方法无需使用低通滤波器，其检相时间小于1／4信号周期，因而在响应时间方面的性能大大优于传统的检相器。
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| 关 键 词： | 锁相环电路 相位检测 相位差 正弦信号 |
NEW PHASE DETECTOR METHOD For PLL ClRCUIT |
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| Lu Liang.NEW PHASE DETECTOR METHOD For PLL ClRCUIT[J].Electronics Quality,2001(1):10-12. |
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| Authors: | Lu Liang |
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| Abstract: | A new phase detector method which can detect the phase difference between two sinusoidal signals in one-fourth of a cycle is introduced. The phase difference is represented as a dc output voltage, and it can distinguish phase leading or phase lagging by using voltage polarity. Since no low-pass filter is used, its detection time is not more than one-fourth of a cycle. The detection time performance is superior to that of conventional phase detectors. |
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| Keywords: | PLL Technology Phase Detecfor Phase Difference |
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