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VSA versus N9030 Noise floor diffrence

Question asked by Benoit on May 24, 2013
Latest reply on May 28, 2013 by Benoit
I'm trying to record a signal with the VSA software but I noticed that the noise floor for the VSA is 20 dB higher than the one I see on the Spectrum itself. I use the same parameters on both setup. How can we explain or reduce the difference between both reading.
The record didn't give a good signal to replay, but if I'm able to reduce the noise that will help me.
Thanks for support,