A spectral model for RF oscillators with power-law phase noise

Article


Chorti, A. and Brookes, M. 2006. A spectral model for RF oscillators with power-law phase noise. IEEE Transactions on Circuits and Systems I: Regular Papers. 53 (9), pp. 1989-1999. https://doi.org/10.1109/TCSI.2006.881182
TypeArticle
TitleA spectral model for RF oscillators with power-law phase noise
AuthorsChorti, A. and Brookes, M.
Abstract

In this paper, we apply correlation theory methods to obtain a model for the near-carrier oscillator power-spectral density (PSD). Based on the measurement-driven representation of phase noise as a sum of power-law processes, we evaluate closed form expressions for the relevant oscillator autocorrelation functions. These expressions form the basis of an enhanced oscillator spectral model that has a Gaussian PSD at near-carrier frequencies followed by a sequence of power-law regions. New results for the effect of white phase noise, flicker phase noise and random walk frequency modulated phase noise on the near-carrier oscillator PSD are derived. In particular, in the case of 1/f phase noise, we show that despite its lack of stationarity it is possible to derive a closed form expression for its effect on an oscillator PSD and show that the oscillator output can be considered to be wide-sense stationary.

LanguageEnglish
PublisherInstitute of Electrical and Electronics Engineers
JournalIEEE Transactions on Circuits and Systems I: Regular Papers
ISSN1549-8328
Publication dates
PrintSep 2006
Publication process dates
Deposited25 Mar 2009
Output statusPublished
Digital Object Identifier (DOI)https://doi.org/10.1109/TCSI.2006.881182
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