Re: [Discuss-gnuradio] LFTX Rev 2.2 Compatibility Issue with USRP2

[Marcus D. Leech]

> Hi,
>
> We have a USRP2 with a LFTX Rev 2.2 daughterboard. When I run a GRC program,
> I try to look at the signal with a spectrum analyzer and the signal is not
> there. There is no error at all, everything seems to be up and running. The
> system is recognizing the USRP2, daughterboard and I have also played around
> with the subdev's but everything is correct.
>
> To make sure there is nothing wrong with the LFTX, I pulled it out from the
> USRP2 and installed it on a USRP N210. In the N210 I re-run the same exact
> GRC program and finally see the signal at the spectrum analyzer. To confirm
> that the USRP2 transmit side is working, I've installed a RFX1800 and re-run
> the same GRC program and this also works perfect.
>
> Here is the specs of my config.:
> Linux: Ubuntu 10.04LTS
> kernel release: 2.6.32-41
> GNU Radio Companion 3.6.0
> UHD_003.004.002
>
> Has anyone had this issue before?
>
>
> Thanks!!
With your LFTX plugged in to the USRP2, please send the output of

uhd_usrp_probe --args "addr=192.168.10.2"       (or whatever the address 
of your USRP2 is)



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