[USRP-users] USRP N210 low pass filter

Matt Ettus matt at ettus.com
Mon Apr 29 10:42:36 EDT 2013

If you choose an odd decimation ratio, you will have rolloff due to the CIC
filters.  You need to choose an even decimation ratio to get a flat


On Mon, Apr 29, 2013 at 12:21 AM, Marc Bauduin <baudu1marc at gmail.com> wrote:

> Hy everyone,
> I have 2 USRP N210 with a daughterbourd RFX2400 and I pilot them with
> Matlab. When I make a narrowband communication, I don't observe a flat
> channel but I also observe the spectrum of a filter. I searched in
> documentation but I did'nt see the characteristic of the baseband filter of
> the system. What are the characteristic of this filter? Is it a RRC filter?
> Thanks for your answer,
> Marc
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