Card impedance

[karimoviç]

Hello, robertferanec how i can calculate the impedance of my board .( for board 2 layers and for board 6 layers )

[robertferanec]

This video can help you: Simple way to Calculate Impedance, Current, Crosstalk, ... https://youtu.be/O4T9y_aIItA

PS: To get precise impedance value, you will need to ask you PCB manufacturer to tell you. The simple calculations are only approximate.