On Thu, Jun 12, 2025 at 12:59 AM <tommyt...@w5tech.com> wrote: > Hi Martin, > > I have been trying to find out whether the lo-offset applies to the first > LO or the second LO as there is no documentation on how it applies to a > specific radio daughter card. From what I have learned, a lo-offset can > apply regardless of the RF receive frequency is above or below 500MHz. When > the RF Rx frequency > 500MHz the first RF stage uses direct frequency > conversion. Hence, 1st LO is not used. This leads me to believe lo-offset > applies the 2nd LO. >
This is correct. Another way to think about this is to realize that the lowband LO is nowhere near our signal of interest, i.e., it has a built-in LO offset. --M
_______________________________________________ USRP-users mailing list -- usrp-users@lists.ettus.com To unsubscribe send an email to usrp-users-le...@lists.ettus.com