[SI-LIST] AW: What is 'Integrated RMS jitter' and how is it measured
- From: "Havermann, Gert" <Gert.Havermann@xxxxxxxxxxx>
- To: "Henrik G Madsen" <hgmadsen@xxxxxxxxxxxx>, si-list@xxxxxxxxxxxxx
- Date: Wed, 11 Mar 2009 10:53:11 +0100
Henrik,
Rms is the standard deviation of the total jitter.
BR
Gert
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-----Ursprüngliche Nachricht-----
Von: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] Im
Auftrag von Henrik G Madsen
Gesendet: Mittwoch, 11. März 2009 10:31
An: si-list@xxxxxxxxxxxxx
Betreff: [SI-LIST] What is 'Integrated RMS jitter' and how is it measured
Hi
Many specifications for communication chips like Bluetooth and others includes
some jitter requirement for the clock input
The jitter specification could be like
Integrated rms jitter 10kHz - 10MHz (Fref& MHz) < 2 ps rms
I have tried to search the web for a good explanation of this term and how to
measure it and looked at different equipment vendors websites, but so far
without luck. Can anybody point me to some document or like which describes the
term 'Integrated RMS Jitter' and how to measure it?
'2 ps' seems to be a very tight requirement Additionally, I would think that
'RMS' would require that the distribution was close to Gaussian, i.e random
jitter and not deterministic jitter.
Regards
Henrik G Madsen
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