Differential pair skew matching fails with certain dimensions
Bug #1673632 reported by
Andrew Zonenberg
This bug affects 9 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
KiCad |
Fix Released
|
Medium
|
Seth Hillbrand |
Bug Description
Version: tested on 28a6ca1
Steps to reproduce: open attached file, select "tune skew", try to skew-match the differential pair
Expected result: overlay appears and allows you to tune skew
Actual result: Overlay appears but no meanders are created
This seems correlated to the pair design rules but I haven't figured out exactly why some dimensions work and some don't.
tags: | added: cern pns |
Changed in kicad: | |
assignee: | nobody → Seth Hillbrand (sethh) |
status: | Confirmed → In Progress |
Changed in kicad: | |
status: | Fix Committed → Fix Released |
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I've experience the same behaviour.
With default diff. pair dimensions, the "Tune pair skew" works perfectly. I've then changed diff. pair dimensions to 0.2mm track witdh and 0.2mm gap. Tried again "Tune pair skew" and worked fine.
But if I draw a differential pair with 0.28mm track width and 0.15mm gap then it behaves different. The "label" with the actual lenght difference and target still appears but no meander appears (And the reported lenght remains the same)
Regards
Xavi