The Designer's Guide Community
Forum
Welcome, Guest. Please Login or Register. Please follow the Forum guidelines.
Jul 16th, 2024, 9:45am
Pages: 1
Send Topic Print
Clock data Recovery(CDR) based PLL (Read 1843 times)
Gp
Community Member
***
Offline



Posts: 35

Clock data Recovery(CDR) based PLL
Oct 21st, 2015, 4:20am
 
Hello,

>I want to basic Idea about clock data recovery.

>I have already design PLL.But I don't know how to clock recover from PLL.

>I tried  to PLL with Hodge phase detector but how to show the clock (phase allign) from the VCO to Phase detector?

suppose I want to 0,45,90,135 degree phase from VCO to phase detector,than how possible?

Back to top
 
 
View Profile   IP Logged
loose-electron
Senior Fellow
******
Offline

Best Design Tool =
Capable Designers

Posts: 1638
San Diego California
Re: Clock data Recovery(CDR) based PLL
Reply #1 - Oct 21st, 2015, 5:17pm
 
ring oscillator - come off different elements in the ring oscillator

LC oscillator - create higher frequency than desired clock, use logic to select edge phase relationship

Back to top
 
 

Jerry Twomey
www.effectiveelectrons.com
Read My Electronic Design Column Here
Contract IC-PCB-System Design - Analog, Mixed Signal, RF & Medical
View Profile WWW   IP Logged
Pages: 1
Send Topic Print
Copyright 2002-2024 Designer’s Guide Consulting, Inc. Designer’s Guide® is a registered trademark of Designer’s Guide Consulting, Inc. All rights reserved. Send comments or questions to editor@designers-guide.org. Consider submitting a paper or model.