Hello,
I'm running an .sp analysis with a simple setup--port set to 100ohm, with 100ohm load. I'm plotting results on a Z-Smith, which i thought should give me Re(Z)=1 (normalized)... but instead I'm getting something like 2e-12 as the prime center. I don't understand why this is the case. I'm relatively new to Smith charts, but I'm guessing the plot actually shows reflection coefficient, not the impedance? If this is the case, how can I request an impedance plot?
I'm on version 6.1.8.
Many thanks in advance for your help,
David
