From: "Patrick Bolton"
Subject: Re: Phase noise, jitter web site
Date: Thu, 7 Nov 2002 16:05:49 -0000
Organization: Netkonect Communications InterNetNews
NNTP-Posting-Date: Thu, 7 Nov 2002 16:10:57 +0000 (UTC)
X-Newsreader: Microsoft Outlook Express 5.50.4807.1700
Several good phase noise - jitter converter excel spreadsheets are available
at RFGlobalnet site, they are well hidden under downloads or suchlike
"Mike" wrote in message
> "Bob" wrote in message
> > The basic problem may be that since the phase of the phase noise is not
> > included in the dBc/Hz vs. frequency plots, it may be impossible to
> > the time-domain jitter from those plots.
> > I don't know. Maybe this website will help me (us) to figure this stuff
> Also, check out the article from Microwaves & RF by Boris Drakhlis:
> I think I have another article from one of the trade pubs that calculates
> generator jitter from phase noise specs, and provides a Mathcad model as
> well. I'll see if I can track that down today.
> I'm not sure what you mean by "the phase of the phase noise." If you're
> thinking of something like a probability density function with phase on
> x axis, that wouldn't provide as much information as the frequency domain
> plot in most cases.
> Assuming there's no significant amplitude modulation, the dBc/Hz plots are
> exactly what you need to find the jitter. The only hard part is figuring
> how to do the conversion, which is where Kundert, Drakhlis, and others
> -- Mike --