数字化频率综合器的相位噪声分析与估算

Mathematical Analysis of Phase Noise of Digital Frequency Synthesizer

摘要:

利用随机过程理论计算了数字化频率综合器中各个量化噪声，并在假设各等效量化噪声相互独立前提下得出了输出相位噪声值，同时给出在不同采样率和不同数字电路精度情况下输出相位噪声变化，并得出了一般性结论。

Abstract:

A mathematical analysis of phase noise of digital frequency synthesizer is presented.Three quantization noise sources are given according to random process theory in the paper, assuming that these noise sources are independent to each other.The variation