FreeLists / si-list / [SI-LIST] Difference betweem single stripline & dual stripline

[Bob Patel <whizplayer@xxxxxxxxx>]

Hi!
Is there a difference in terms of electrical
parameters i.e. say loss, etc when using single
symmetric stripline layer and dual stripline layer.
I guess I am asking beside the cost & geometry is
there a harm if I use dual stripline layer over single
stripline layer where adding more routing layer is
necessary for me.
I ran cases to look at differences if I route edge
coupled differential traces on single symmetric
stripline or if I use dual stripline. I did not any
difference at least in loss or impedance etc.
Any input is appreciated.
THanks
Bob


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