vault backup: 2025-02-05 14:38:06

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--- a/.stversions/OneNote/OSD/CarrierBoard/Design
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+## Controlled Impedance
+
+[http://design.iconnect007.com/index.php/article/62513/what-is-trace-impedance-and-why-do-we-care/62516/](http://design.iconnect007.com/index.php/article/62513/what-is-trace-impedance-and-why-do-we-care/62516/)
+
+  
+
+## Dont forget at end:
+
+- Double check impedance control
+    
+    - includes vias and removing of stubs (backdrilling of vias)
+- No traces at board edge
+- Many stitching vias everywhere