[USRP-users] No signal on TX/RX port

Jawad Seddar jawad.seddar at gmail.com
Tue Apr 9 08:49:10 EDT 2013

Hi again,

Now it seems I cannot receive on the RX2 port as well...
Should I consider my daughter board dead?


2013/4/5 Jawad Seddar <jawad.seddar at gmail.com>

> Hello,
> I have 2 USRP1 each equiped with a RFX900 daughter board.
> I have put antennas on each port of those cards (both RX2 and TX/RX).
> When I transmit from one USRP using the TX/RX port, I can only receive on
> the other USRP using the RX2 port, I don't see any signal on the TX/RX port.
> Simply put, here what happens :
> USRP #1 TX/RX -> USRP #2 RX2 == OK
> USRP #1 TX/RX -> USRP #2 TX/RX == Not OK
> The same happens the other way around (from USRP #2 to USRP #1)
> I have attached the simple flow graphs I used for testing purposes as well
> as the results I obtained.
> Is this a normal behaviour or am I doing something wrong?
> Thanks for the help,
> Seddar Jawad
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