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NA Source Impedance

Question asked by SOLT_guy on Feb 4, 2012
Latest reply on Feb 13, 2012 by SOLT_guy
Dear Sir:

      Although I am certain Agilent has gone to great lengths to be certain that its NA source impedance appears "perfect", I would like to measure the actual signal source impedance of my NA for academic reasons.   Let's say one had to demonstrate in front of a class of students transmission line circuit theory and, therefore, one had to characterize  the network analyzer signal source experimentally.      Can you tell me how I can use port 2 as the stimulus, to find port 1's reflection coefficient looking into the source?

     To clarify my question, you may remember the V+ and Rg model (but in this case Rg will most likely be complex).

     Although the question may appear to be simple, I require verification with regard to the correct calibration type for this type of experiment. 

      Thank you for your consideration.