I. Introduction
The time-domain phase jitter measurement of an oscillator can be achieved using a number of different approaches. There exist a multitude of publications that refer to the various methods used for the measurement of phase jitter. Some of the common names/methods used to characterize jitter include “period jitter,” “edge-to-edge jitter,” “cycle-to-cycle jitter,” “absolute jitter,” “tracking jitter,” etc. Even though each of these measurement types are important and well understood by groups of engineers within their applications, the authors find that the differences between the various measurements and how they are related to one another is somewhat confusing and has not been discussed in a simplified and unifying framework.