On 12/04/2017 04:43 PM, Mark Koenig via USRP-users wrote:
I have been collecting signals in a lab environment using an N210 with
a CBX card without any perceived issues. When running the uhd_fft
script I am seeing an SNR of 20-30 dB, which is enough for me to do
the post processing of the collected signals.
When I upgraded to the X310 with UBX40 cards I noticed a much higher
noise floor and a decrease in SNR ~10dB. This decrease in SNR makes
it unable for me to post process the signals.
I am operating in Rx mode only.
Does anyone have any thoughts as to what might be going on?
Thank you
Mark
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Could you try adjusting gain downwards/upwards by a few dB and see if
that makes a difference in SNR?
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