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measuring skew using a PNA

Question asked by sydmil on Oct 23, 2008
Latest reply on Oct 29, 2008 by odanzy

I would like to find out a suitable technique to measure skew with a PNA (in my case N5230C). I have tried looking at the phase difference between S31 and S42, but I am having difficulty coming up with skew measurement value (e.g. skew between two measured lines is 40ps) that I could correlate with a time-domain measurement.
Any tips or ideas on how to approach this greatly appreciated !