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PNA Reflected Phase Tolerance

Question asked by rftestman on Mar 7, 2016
Latest reply on Mar 18, 2016 by Dr_joel
We are using an N5230C to measure reflected phase on cable assemblies that have a TNC connector on one end and are unconnectorized on the other.  A question has come up as to the tolerance we should be specifying to our customer.  They are requesting +/- 1 degree for the final cable assembly, but since we are supplying them with the 'round trip' phase, is the measured tolerance now +/- 2 degrees or does it remain +/- 1 degree?  There is quite a bit of discussion here presenting both sides of the argument.  Thanks.