On Mon, Mar 16, 2009 at 10:05:28AM -0300, Ronaldo Nunez wrote:
> Hello,
> 
> I read in faq that the bigger frequency of the first Nyquist zone of
> USRP2 is about 170 MHz, using a BasicTX daughter board.
> My USRP2 couldn't get more than 50 MHz with this daughter board.
> 
> I'm using 9939 firmware revision.
> 
> Somebody observed the same problem with usrp2?
> There is a way to fix it?
> 
> Thanks

I'm not sure where you found the 170 MHz number, or where it may have
come from, but the USRP2 DACS run at 100 MS/s.  With the Basic Tx 
50 MHz is what you would expect to see as the edge of the first
Nyquist zone.

Eric


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