Spectral jitter analysis allowing jitter modulation waveform analysis

摘要

For provid ing a jitter analysis for a signal (330), a jitter spectrum (Fig.7A) derived from the signal (330) is filtered (370), so that the filtered jitter spectrum (Fig. 7B) substantially only comprises one or more deterministic spectral components identified as being expected to result from a deterministic jitter component in the signal (330) resulting from a deterministic and non-random cause. A jitter modulation signal (380; Fig.7C) is derived (370) by transforming the filtered identified one or more deterministic spectral components into the time domain, wherein the jitter modulation signal (380) represents a deterministic jitter signal (460) modulated on the signal (330).