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Differential pair : Uncoupled Length Issue
harshal_pwr , 08-10-2016, 07:47 AM
Hello there;
Recently I have been fiddling with the mentioned issue a lot.
I have routed all the differential pairs according to rules specified and I have also checked other forum posts for help but none of them seem to be helping.
Can you please have a look once and guide.
I have attached screenshots of the rules, directive parameters and DRC. Hope that gives you enough idea. Let me know if you need any more info.
-Harshal
mairomaster , 08-10-2016, 09:16 AM
It's kind of obvious, but do you already have those pairs routed in the PCB? Can you post a screenshot of the layout with the pairs? Are you getting the white highlighting of the affected pairs after the DRC check?
robertferanec , 08-10-2016, 09:27 AM
Yep, the error you are getting is Uncoupled length - that means, that there are some places where tracks are not routed in required tolerance (e.g. the space between them is lower or bigger as specified by rules). A screenshot from PCB would help.
harshal_pwr , 08-10-2016, 11:09 AM
Originally posted by
mairomasterIt's kind of obvious, but do you already have those pairs routed in the PCB? Can you post a screenshot of the layout with the pairs? Are you getting the white highlighting of the affected pairs after the DRC check?
Yes, I am getting white highlight on affected pairs after DRC.
Here are the screenshots
harshal_pwr , 08-10-2016, 02:33 PM
Re-routed associated nets.
Errors are fixed.
Thanks, Mairomaster and Robert.
robertferanec , 08-13-2016, 12:10 AM
Perfect
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