Jitter and Phase Noise Relationships
High Frequency Electronics
There are some key relationships between these two factors, as described below. While jitter and phase noise are related, they are not precisely equivalent, i.e., there are no closed-form mathematical expressions that describe the conversion between them. However, good approximations are possible, which is how they are usually handled in analytic environments such as design software. graphical definitions of jitter and phase noise. Jitter is the time deviation from periodgraphical definitions of jitter and phase noise. Jitter is the time deviation from periodto-period of the clock waveform. RMS jitter is the most common specification, although there are uses for peak-to-peak jitter values. Also, jitter is most commonly defined as cycle-to-cycle; as the RMS value of the deviation from the average period. In some cases, jitter may also be analyzed as the deviation from the ideal period.
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