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conversion loss measurement and calibration

Question asked by fcolleon on Jan 4, 2010
Latest reply on Jan 4, 2010 by Dr_joel
HI. I'm making a conversion loss measurement of a mixer, and in the pna help (e8364c) there's an example of the measurement. A source and receiver power calibration have to be made, but i'm not sure if besides a 2-port calibration is needed(extract effects of cables, adapters, etc). It is necessary to make a 2-port calibration on a unratioed measurement like this, besides the power calibration? Thanks