I believe LC may not give you a very happy result. Here is my thought:
length_of_via / (Dk_eff)^0.5. I was using this simple formula to estimate a
90mil PTH, it works.
thanks
-Long
On Mon, Nov 20, 2017 at 5:37 AM, Sureshkumar Ayyavu <
sureshkumar.ayyavu@xxxxxxxxx> wrote:
I need to match the timings of several signals and which can't route them
on the same layer. Thus I need to estimate the propagation delay of a via.
I thought of a really simple method but I don't know if this is valid or
not.
For this I use the pcb toolkit from saturn. They have a tab for via
properties where they show the via capacitance and inductance. From there I
can simply compute : td=LâCââââââ
Thanks
Suresh
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