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uncertainty using E8364B and 85054D

Question asked by lhiga on Jun 3, 2008
Latest reply on Jun 6, 2008 by daveb
I was measuring the coupled port of a 40 db directional coupler and the VNA uncertainty calculator with 1 KHz BW and 60 Avgs.  The calculator said +/-0.2 db for S21 at 40 db.  Is there another more precise way I could have determined what the uncertainty would be?