Stackup information PCBs
Information about the stackup for a four-layer PCB.
I would be nice to have a stackup for every PCB thickness seeedstudio provides. This makes impedance based routing possible.
I bought a defective Blackwidow Ultimate some time ago, thinking that I would replace some switches and it would be fine. However, it turned out that the switches were fine, and there was a deeper problem.
I searched the internet for my problem, and found some posts with similar cases, but no good solutions (just the usual baths in water and soap). A month or two ago, I started playing with it, and I was able to fix it.
Since I wasn't able to find anything on the internet, I wanted to write my experience with the problem and how I fixed it, hoping that it will help someone with the same problem. I know it is quite long, but I wanted to leave everything clear, and I don't know how to write short texts. I hope it's readable. :P
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I agree this would be useful for a low cost rough impedance control, or even for planning the trace widths and spacing when you plan to order impedance control.
I agree this would be useful for a low cost rough impedance control, but as impedance control is a separate service, and for this I assume you will have to document stackup and routing widths/spacing.