Hi,
from the AD9361 data sheet I learn that the USRP B210 has two seperates LOs, one for TX and one for RX. On the other hand, the two TX and RX channels share one LO, respectively. I wonder if there is an operation mode where TX and RX use the SAME LO, or some trick to achieve this. Probably not? The difference between using one LO for TX and RX and using two separate synthesizers, even if they are phase-synchronous and set to the same frequency, is that two synthesizers have independent 1/f noise introduced by the PLL. If using one LO, and feeding TX back to RX, this noise is canceled by the mixing and does not show up in the base band signal. Any ideas? Best regards, Erik
_______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
