Re: [Discuss-gnuradio] daughterboard performance

[Marcus D. Leech]

> Hi
>
> I used XCVR2450 daughterboard for TX and RX on USRP2 and everything is
> fine.
> Recently I began to use RFX2400 and DBSRX-LF, which I found out the
> performance are much worse than XCVR2450.
> Observed from FFT plot, I found out there are some weird spectrum
> response using RFX2400 and DBSRX-LF respectively.
> Furthermore, I am not able to decode some OFDM example anymore! (I
> compensated the correct carrier frequency already)
>
> I am wondering if I need to update something like firmware, in order
> to use those two new daughterboards.
> Thanks,
You haven't given us much to go on.

What does your test setup look like?  Are you using USRP1?  USRP2?
 USRP-N210?  Using UHD?

Are you tests over-the-air or with cables?  Are you using attenuators in
the cabling?




-- 
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org