There will always be some edge roll off. Decimation includes filtering and those filters cannot be infinitely steep. Sent from my iPhone
> On Feb 18, 2025, at 2:12 AM, Brendan Horsfield > <brendan.horsfi...@vectalabs.com> wrote: > > > Hi All, > > I have a question about the usable bandwidth of the X300 USRP / UBX-160 > daughterboard combo at sampling rates below 200 Msps: > > As I understand it, the UBX-160 receiver has an analog (hardware) filter > before the ADC that limits the usable bandwidth to 160 MHz, while the ADC > runs at 200 Msps. Therefore the usable bandwidth is around 80% of the sample > rate. > > My question is: What is the usable bandwidth at lower sampling rates? Does > the 80% factor always apply? > > For example, if I set the decimation factor to 4, so that my sampling rate is > 50 Msps, does this mean that the usable bandwidth will be 40 MHz? > > Thanks & Regards, > Brendan. > > _______________________________________________ > USRP-users mailing list -- usrp-users@lists.ettus.com > To unsubscribe send an email to usrp-users-le...@lists.ettus.com _______________________________________________ USRP-users mailing list -- usrp-users@lists.ettus.com To unsubscribe send an email to usrp-users-le...@lists.ettus.com
