[SI-LIST] Calculating Distance From TDR Simulation

  • From: "Moeller, Merrick" <mmoeller@xxxxxxxxxxxxxxx>
  • To: "Si-List (E-mail)" <si-list@xxxxxxxxxxxxx>
  • Date: Tue, 20 Jan 2004 11:59:36 -0600

Greetings experts. I have a question concerning finding a distance from a 
measurement port
of a capacitive discontinuity in a coaxial connector. I am aware of the fact 
that the velocity of
propagation is v = c/SQRT(Er). However, when performing a TDR sweep, how does 
the rise time
affect the calculation of actual distance traveled? I suspect that any 
calculations will be gross
estimations depenting on the length of discontiuity and respective rise time. 
Any insight would
be of great help. 
Regards,        

Merrick M. Moeller


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