An investigation on the discrete-time nature of excess phase and jitter

Excess phase in oscillators or phase locked loops is a very important design specification typically modelled as a continuous time signal. In this article, we explain why, when the quantity of interest is jitter, excess phase should be treated as a discrete quantity. This treatment helps explaining...

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Bibliographic Details
Published in:International journal of electronics 2014-06, Vol.101 (6), p.856-864
Main Authors: Fonseca, H., Hayatleh, K., Terzopoulos, N., Lidgey, F.J., Sebu, C.
Format: Article
Language:English
Subjects:
Electric noise
Folding
Frequency dividers
Jitter
Loops
Noise
Oscillators
Phase locked loops
phase noise
PLL
Specifications
Time signals
VCO
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Summary:Excess phase in oscillators or phase locked loops is a very important design specification typically modelled as a continuous time signal. In this article, we explain why, when the quantity of interest is jitter, excess phase should be treated as a discrete quantity. This treatment helps explaining noise folding in frequency dividers and analyse its consequences in phase locked loops.
ISSN:0020-7217
1362-3060
DOI:10.1080/00207217.2013.805358