Hi Josh, Sorry for the belated reply! Yes it says 6GHz on the uhd_usrp_probe but i was just surprised given that the website said its limit was 5.9GHz.
-Michael On Wed, Jul 11, 2012 at 9:04 AM, Josh Blum <j...@ettus.com> wrote: > > > On 07/01/2012 03:58 AM, Michael Hill wrote: > > The XCVR 2450 covers frequencies around 2.4 GHz and 2.5 GHz and also 4.9 > to > > 5.9 GHz. > > > > When running uhd_usrp_probe it said 2400 to 2700MHz! > > (E.g. I assume hardware performance drops off above 2.4 GHz but any > reason > > why it didn't cap my frequency at 2400MHz?) > > > > I see probe printing 2.4 to 6.0. Maybe you are looking at a different > board? Can you send the output of uhd_usrp_probe. > > > > > http://code.ettus.com/redmine/ettus/documents/12 > > Also I'm definitely not a hardware designer but I've been looking at the > > XCVR2450 datasheet and it seems there is a 2.45 GHz band pass filter for > > the lower frequency receiver pass (but none for the higher one..) and > also > > for the transmit pass there is a 5.5GHz band pass filter for the higher > > frequency transmit pass but not the lower one, How come this is the case? > > > > Probably a design recommendation from maxim, or something we empirically > determined. > > > E.g. If I wanted to reduce my unwanted image frequencies etc around 2.4 > to > > 2.5 GHz, could I get another BP filter of the same type and just > externally > > filter before transmitting to the antenna? > > > > Yes, definitely. Also see: > http://files.ettus.com/uhd_docs/manual/html/dboards.html#xcvr-2450 > > -Josh > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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