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[Discuss-gnuradio] Analog filter before USRP?

From: Alberto Trentadue
Subject: [Discuss-gnuradio] Analog filter before USRP?
Date: Mon, 5 Oct 2009 00:26:14 +0200 (CEST)

Is a preselector needed before the USRP when receiving from antenna? May be 
not. I see that there's a CIC filter 
in the USRP which is selective enough to estract a narrower band for the 
GNURadio processing.
But at least I need a low-
pass filter before the USRP to get rid of strong singnals above Fs/2 (Fs = the 
sampling rate).
Is this correct?

in advance

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