电振荡器相位噪声的非线性时变模型

2008 4th IEEE International Conference on Circuits and Systems for Communications Pub Date : 2008-05-26 DOI:10.1109/ICCSC.2008.166

H. Yin, Zhigang Mao

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引用次数: 0

摘要

线性时变(LTV)模型能够在假定电流-相位关系为线性的前提下，对电振荡器的相位噪声进行准确的预测。不幸的是，这种线性假设在高功率环境噪声的存在下是无效的。提出的非线性时变(NLTV)模型对已有的LTV模型进行了修正，考虑了电振荡器的相位响应饱和。通过对柯氏振荡器的仿真，验证了该模型的准确性

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A Nonlinear Time Variant Model for Phase Noise in Electrical Oscillators

Linear time variant (LTV) model is capable of making accurate predictions about phase noise in electrical oscillators, on the assumption that current-phase relation is linear. Unfortunately, this linearity assumption is not valid in the presence of high-power environmental noise. The proposed nonlinear time variant (NLTV) model modifies the existing LTV model, considering phase response saturation in electrical oscillators. The accuracy of this model is verified through the simulation of a colpitts oscillator using

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2008 4th IEEE International Conference on Circuits and Systems for Communications

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