if FR4 isnt good enough then You change to an other material. there is now way to know how the glasfiber will lie in actual PCB. simply use some RF material.
On Monday, April 8, 2024 at 1:57:35 AM UTC+2 Subaru Arai wrote: > Just for notice, if you want for EM simulation I think we'll also need > vias and substrate properties too. > Then again, I'm not too familiar with the process of EM simulation. (what > kind of file does it need for input, what are the standard file formats) > > I've also heard that above 5ghz the substrate (typically FR-4) weaving (or > its direction, inconsistency) itself can be a problem - although I guess > that's calculated inside the simulator. > 2024年4月7日日曜日 5:58:17 UTC+9 [email protected]: > >> I would vote for the layer-list >> >> On Friday, April 5, 2024 at 12:29:36 PM UTC-6 [email protected] wrote: >> >>> i would like to be able to export all copper layers (not only top and >>> bottom), to import it in a EM-simulator. >>> >>> it seems to be not to hard to implement, because the top and bottom >>> layers can be exported via an option. my question now is: should we simply >>> add an option "export any copper"? or would it be better to make a >>> layer-list to specify what should be exported? >>> >>> and then i would like to know, how the export-dialog is made. is there a >>> "dialog-designer" or is it all coded? >>> >>> thanks >>> >> -- You received this message because you are subscribed to the Google Groups "KiCad Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/kicad.org/d/msgid/devlist/73a3cf15-1e26-4844-8284-2cb6bf9ef3cdn%40kicad.org.
