Patent · US Expired

Method and apparatus for characterizing phase noise and timing jitter in oscillators

US6167359A · kind A · utility

16Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 1998
Grant dateDec 26, 2000
Priority date
Expiry dateJun 12, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R29/26
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A nonlinear analysis for characterizing phase noise and timing jitter in oscillators is disclosed. The method and apparatus utilize a nonlinear differential equation to characterize the phase error of a given oscillator. A precise stochastic characterization of timing jitter and spectral dispersion is also disclosed based on the nonlinear differential equation. Representative time and frequency domain computational techniques are disclosed for characterizing the phase noise and timing jitter of circuits. In addition, a single scalar constant, c, is utilized to describe jitter and spectral spreading in a noisy oscillator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.