[USRP-users] Noise floor on the N2x0

Wallace, Frank L CIV NSWCDD, Q41 frank.l.wallace1 at navy.mil
Wed Sep 25 15:51:12 EDT 2013

When I record noise on both my N210 and my N200, there is the 20-30 sample filter startup stuff and then noise settles at a fairly high level and then starts to drop down.  At about 55 milliseconds, the noise level goes down to the 1-2 bit level and then stays there.  The drop off is exponential and some people here have said it looks like a capacitor discharging.  This happens whenever I restart my application.  Is this normal?


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