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Microstrip Fixture characterization based on Coaxial E-cal

Question asked by psb on Apr 18, 2013
Latest reply on Apr 19, 2013 by psb
I am looking for ways to achieve a microstrip cal at the DUT ports of a test fixture, assuming that we already have a good coaxial cal.

For example, can one do a subset of a microstrip TRL cal in which the information from the previous coaxial cal is used to simplify or enhance the microstrip cal, so that :

(a) the quality requirements on the microstrip standards can be relaxed,

or 

(b) the number of standards reduced?

I would also like to derive the full 2-port S-parameters of each half of the fixture.  

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