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3dB Hybrid Coupler Phase Balance - Measure VNA?

Question asked by Robert4620 on Mar 31, 2020
Latest reply on Apr 1, 2020 by uWHarry

4 port test on a E5071C VNA to measure Insertion Loss, Amplitude Balance, Return loss, and Reverse Isolation.  Is it possible to extract the phase difference of the output ports from the VNA to quantify the Phase Balance?  Suggestions?