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PNA-X noise figure for converters ambient temperature setting

Question asked by rok on Jun 18, 2014
Latest reply on Jul 3, 2014 by Dr_joel

I have a question regarding the 'ambient temperature' setting in the noise figure for converters measurement application for the PNA-X. Is that referring to the temperature at the end of the test cable (assuming we calibrated to the end of the test cable), or is it the temperature at the PNA-X port itself or something else? The reason for asking is that we test our DUTs over temperature, and I was wondering if I should adjust that value to compensate for the heating of the test cables at hot temperatures.