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Measurements >> Phase Noise and Jitter Measurements >> predicting the phase noise and jitter In the
https://designers-guide.org/forum/YaBB.pl?num=1116318645

Message started by layes on May 17^th, 2005, 1:30am

Title: predicting the phase noise and jitter In the
Post by layes on May 17^th, 2005, 1:30am

I have read your paper "predicting the phase noise and jitter in PLL"

Now I am interesting in the jitter of the Pll output after vco buffer.
So I measure the Pll output periods after it is stable and
generate the 'periods.m'

I did not include FD in the vco.
and the parameters I used are: Fout = 480MHz Fin=12MHz N=40 and M=1
>
> my question are:
> 1.in your matlab code how to choose 'nfft'
> 2.Is that Sphi=L in the matlab generate graph.
> 3.In the curve that matlab generate ,why we choose 100kHz as the delta(f)?
> how should we choose it?
> 4.How the resolution bandwidth affect our performance?