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Measurements >> Phase Noise and Jitter Measurements >> pfd/cp's phase noise contribution
https://designers-guide.org/forum/YaBB.pl?num=1089865061

Message started by oliver on Jul 14^th, 2004, 9:17pm

Title: pfd/cp's phase noise contribution
Post by oliver on Jul 14^th, 2004, 9:17pm

i am a student from china. i am so excited to find this wonderfull website,especially there are some experts like ken kundert.i am a beginner in analog circuit design. currently i am working on pll disign, and foucus on pfd/cp design. i meet a difficulty. i want to simulate pfd/cp's phase noise contribution. i conbined pfd,cp , loopfilter with a ideal vco symbol from ahdlLib to a simple loop. is it a prcatical way to simulate pfd/cp's phase noise contribution? and i meet pss convergence difficulty. how can i deal with it?

Title: Re: pfd/cp's phase noise contribution
Post by oliver on Jul 15^th, 2004, 7:16pm

could anyone give me some advices? maybe it's a stupid question, but it've annoyed me for a long time. i think i have to need a help. ken kundert? August West?Andrew Beckett? could anyone give me some opinions?

Title: Re: pfd/cp's phase noise contribution
Post by Andrew Beckett on Jul 16^th, 2004, 5:13am

Did you read Ken's paper on analysing Phase Noise in PLLs?

http://www.designers-guide.com/Analysis/PLLnoise+jitter.pdf

It covers this.

Andrew.