[SI-LIST] Re: rms jitter vs p-p jitter
- From: "Bradley S Henson" <bhenson@xxxxxxxxxxxxxxxxx>
- To: alexh@xxxxxxxxxxxxxxxx
- Date: Fri, 28 Sep 2001 12:09:20 -0700
Depends on the bit_error_rate (BER). The FC Jitter Working group uses :
pk_to_pk= +/- 7 sigma (rms x 14) for 1e-12 BER.
Brad Henson
Raytheon
"Alex Horvath"
<alexh@agilestorag To: <alexh@xxxxxxxxxxxxxxxx>,
<hata@xxxxxxxxxx>,
e.com> <si-list@xxxxxxxxxxxxx>
Sent by: cc:
si-list-bounce@fre Subject: [SI-LIST] Re: rms
jitter vs p-p jitter
elists.org
09/28/2001 11:55
AM
Please respond to
alexh
Ok, RMS is essentially the same as sigma. Three sigma includes 99.8% of all
samples. So you would probably be safe in saying that the peak jitter is 3
times the RMS.
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Alex Horvath
Sent: Friday, September 28, 2001 11:44 AM
To: hata@xxxxxxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: rms jitter vs p-p jitter
For a non-random process peak 1/sqrt2 * VRMS however jitter is a random
process so in theoretical terms the peak jitter value has no meaning. You
have to define it in terms of sigma (assuming it's a normal dist). There
must be some math gurus here that could relate RMS to sigma. Then you can
say something like "the 3 sigma jitter is x ns", 3 sigma including
something
like 98% (I forgot the exact figure) of all jitter samples.
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of hata@xxxxxxxxxx
Sent: Friday, September 28, 2001 4:58 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] rms jitter vs p-p jitter
Dear SI guru,
Appreciate if somebody can shed some light:
If given a rms jitter value, is there any way this can be converted into
peak-peak jitter value?
Thank you.
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