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PCB fabrication: impedance control and PCBvia size
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Aug 13.2019, 18:05:06
Hello
I'm designing a 4-Layer PCB. when I place a via in the Altium Designer, the via size has two options:
Hole Size: 0.3mm
Diameter: 1mm
but when I want to check the inductance and the current, the formulas are in term of the Diameter and the Height and the via platting thickness!
could please help me to understand this puzzle?!
is it right? via platting thickness=Diameter-Hole Size??
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