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PNA calibration kit definition for on-wafer measurements

Question asked by mroberg on Aug 26, 2011
Latest reply on Sep 9, 2011 by mroberg
I am unclear about defining Zo for the load standard when performing an SOLT calibration for on-wafer measurements.  In reference to page 9 of the application note at ... 2287EN.pdf, should I enter 50 ohms for Zo or 500 ohms?  The text says 500 Ohms, Figure 9a shows 50 Ohms in the box.  Thank you for your attention.

Michael Roberg
University of Colorado