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How to determine switch terms on E5071B?

Question asked by acgropp1 on Apr 13, 2017

Hello, I am working on an unknown thru calibration outside of the VNA. I am having trouble calculating correct load match and transmission tracking terms ( I am comparing my calculated terms to the terms computed by the VNA). In my reading I have found that the 8-term error model is used for unknown thru calibration. The 8-term model requires that the measured s-params be switch corrected. How do I go about measuring the switch terms or calculating them? Thank you for your time.