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PNA-X Noise Figure for Mixers

Question asked by j_williston on Mar 9, 2015
Latest reply on Mar 16, 2015 by daras
We are working with a mixer that produces large out of band spurs.  Our concern is that these spurs will push the amplifiers on the input of the noise receiver into compression.  We have done this kind of testing before using a E4440 spectrum analyzer with the noise marker and a series of external block gain amplifiers and this was a problem.  Is there a pre-selector on the input of the noise receiver before the amplifiers>