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引用次数: 0

摘要

本文介绍了一种利用锁相技术测量相位噪声的装置。这允许用户测量相位噪声水平低于-160 dBc/Hz的信号。分析了测量装置对测量结果的影响,给出了用锁相环法测量相位噪声的实例、低频信号处理电路和自身噪声最小的电源电路。
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Low level phase noise measurement techniques
This article describes a device for phase noise measurement using the phase lock technique. This allows the user to measure signals with level of the phase noise lower than -160 dBc/Hz. The effects of the measuring device on the measurement results are analyzed and examples phase noise measurements using PLL method, circuits for low-frequency signal processing and for power supplies with minimal own noise are presented.
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