Superposition properties of the phase noise based on the LTV model

Authors:
S. A. Hashemi;H. Ghafoorifard;A. Abdipour
Affiliations:
Electrical Engineering Department, Amirkabir University of Technology, Tehran, Iran;Electrical Engineering Department, Amirkabir University of Technology, Tehran, Iran;Electrical Engineering Department, Amirkabir University of Technology, Tehran, Iran
Venue:
Analog Integrated Circuits and Signal Processing
Year:
2012

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Abstract

Using the Linear Time Variant model, for electrical oscillators, it is shown that the superposition of phase noise spectra generated by individual noise sources leads to incorrect result at low offset frequencies while summation of their phase deviations and calculating the final phase noise will give more accurate result.