Analytical Equations for Nonlinear Phase Errors and Jitter in Ring Oscillators

  title={Analytical Equations for Nonlinear Phase Errors and Jitter in Ring Oscillators},
  author={Shweta Srivastava and Jaijeet S. Roychowdhury},
  journal={IEEE Transactions on Circuits and Systems I: Regular Papers},
In this paper, we present a simple analytical equation for capturing phase errors in 3-stage ring oscillators. The model, based on a simple but useful idealization of the ring oscillator, is provably exact for small noise perturbations. Despite its simplicity and purely analytical form, our model correctly captures the time- dependent sensitivity of oscillator phase to external perturbations. It is thus well suited for estimating both qualitative and quantitative features of ring oscillator… CONTINUE READING
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