Time-domain analysis of phase-noise and jitter in oscillators due to white and colored noise sources

  • Authors:
  • Paolo Maffezzoni;Dario D'Amore

  • Affiliations:
  • Dipartimento di Elettronica e Informazione, Politecnico di Milano, Milano, Italy;Dipartimento di Elettronica e Informazione, Politecnico di Milano, Milano, Italy

  • Venue:
  • International Journal of Circuit Theory and Applications
  • Year:
  • 2012

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Abstract

This paper presents an original time-domain analysis of the phase-diffusion process, which occurs in oscillators due to the presence of white and colored noise sources. It is shown that the method supplies realistic quantitative predictions of phase-noise and jitter and provides useful design-oriented closed-form expressions of such phenomena. Analytical expressions and numerical simulations are verified through measurements performed on a relaxation oscillator whose behavior is perturbed by externally controlled noise sources. Copyright © 2011 John Wiley & Sons, Ltd.