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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

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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,

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Benoit Dec 1, 2015 1:34 PM
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M. André Beaulieu solved the problem, thanks. The problem was a bad dynamic range. Use menu "input - Analog" and reduce the value of the range to a lower one. In my case I set the value to -20 dBm instead of the default one (30 dBm). In a spectrum view, you can change the value "Rng" in upper right corner.
Voila
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VSA versus N9030 Noise floor diffrence

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