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MU analysis to Port Extension of NA

Question asked by BoHuang Employee on Nov 18, 2019
Latest reply on Nov 21, 2019 by BoHuang

Hello there,


This's Bo from KGSO - CMT (central metrology team). I'd like to consult an issue for MU analysis after implementing Port Extension to NA (Network Analyzer). As you know, for some devices which couldn't be calibrated directly because they are in certain test fixture, we need to resort to "Port Extension". As far as I know the "Port Extension" just compensates the delay time and loss of the fixture, right? How about the uncertainty processing? I mean does our "VNA Uncertainty Calculator" ever consider this effect to final MU analysis? (I know there is a "remove adapter" option in spreadsheet when configuring the test, but haven't seen any "Port Extension Compensation" relevant option there...).


Thank you.