Re: [Discuss-gnuradio] Broken WBX?

Mike,

Doe your USRP have a serial number below 500? I know you've been a
longtime user, so yours may be that old. If so, the WBX won't work for
you since USRPs under #500 do not send a clock to the daughterboard, and
the WBX needs one.

Also, note that in the following command:

WBX (RX antenna): ./usrp_fft.py -R A -f 940.2M -d 64 -g 35 -A RX

it should read "-A RX2" on the end.

Matt

On 02/03/2010 01:45 AM, mike wrote:
> Hi Guys,
> I have recently received a WBX and am struggling to get it to work.
> Please see the following screenshots:
>
> http://www.flickr.com/photos/47218579@N06/sets/72157623341034652 shows a
> very strong GSM base station at 940.2MHz. As you can see, the DBSRX
> works perfectly but the WBX (using the same antenna) receives nothing.
> http://www.flickr.com/photos/47218579@N06/sets/72157623341037644 shows
> my WBX receiving nothing over 930-960Mhz using the same antenna as the
> DBSRX. The spikes seen on the WBX are drifting signals which don't go away.
> The 88-108MHz FM broadcast band cannot be received by the WBX either,
> although my TVRX receives it fine. Changing the gain, frequency and
> antenna port doesn't do anything apart from alter background RF levels.
> I have compiled from the latest trunk using the git repository, running
> ubuntu 9.04 32 bit.
>
> Here are the commands I have been using:
>
> DBSRX: ./usrp_fft.py -R B -f 940.2M -d 64 -g 35
> WBX (TX/RX antenna): ./usrp_fft.py -R A -f 940.2M -d 64 -g 35 -A TX/RX
> WBX (RX antenna): ./usrp_fft.py -R A -f 940.2M -d 64 -g 35 -A RX
>
> Have I received a broken WBX or am I missing something obvious?
>
> Thanks,
>
> Mike
> M0MIK
>
>
>
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