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9923 vs 9913 source power

Question asked by IslandGuy on Mar 14, 2013
Latest reply on Mar 28, 2013 by Dr_joel
I've hired the 9923 VNA several times this past year for overseas field service (gets through customs like a laptop).  It is slower than my ENA but gets by for what I need.  I am considering purchase of the 9913 as it is full 2-port VNA as well as SA functionality.  I note the source power is lower than the 9923.  Is the interference immunity the same for both units?  I work on broadcast sites where there can be quite a bit blowing back at you but the 9923 CAT mode, with interference rejection, seems to do pretty well.  

Thanks !