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Question about Stripline and Impedance

Bermell , 08-31-2022, 05:09 AM

I need to use controlled impedance so I have to calculate the width for single tracks and width and gap, for differential pairs .

I use the PCB Saturn software. For the microstrip case, I think it is easy to get it.

My question is about stripline:

In the software, i can set the geometry, but i can't set the funcionality of the reference planes. I mean, there is a reference plane above and below, so does the type of reference plane not matter ? What happens when one reference plane is GND and the other one is a power plane?

I don't know if this question has been asked before.

Thank you very much in advance
robertferanec , 09-01-2022, 10:47 AM
This will help you to understand reference planes better: https://youtu.be/kdCJxdR7L_I
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