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VMC method to measure phase parameters of mixer is relative to the calibration of the mixer?

Question asked by Damon on Dec 29, 2016
Latest reply on Jan 10, 2017 by daras

In the process of measuring mixer, using VMC method has been a problem for me, we obtained by measuring the phase of mixer in the end is the relative phase or absolute phase measurement? We add reference mixer, and eliminates the influence of reference mixer in the calibration, then we get the measured parameters of MUT is relative to the calibration mixer? That is to say, if we use the different calibration mixer, the MUT’s parameters will change? I really want to resolve this problem, I hope someone can help me, thank you very much!