you mentioned wbx and ubx, but each of these have 2 variants: wbx-40, wbx-120 and ubx-40, ubx-160. If you were previously using wbx-120 and you switched to ubx-40, then this would explain your problem with LO offset of 22 MHz since the analog bandwidth is only 40 MHz on this card.
On Wed, Jun 11, 2025 at 3:44 PM <tommyt...@w5tech.com> wrote: > Hi, > > I know this is an old post some years ago. I am curious if the UBX patch > provided by Michael West still required for the latest UHD 4.8 release? > > Would running uhd calibration utilities be able to resolve the issue > without applying any patch? > > We recently switched from WBX to UBX daughter cards but we experienced a > different issue on UBX card. A 22MHz lo offset applied to WBX was fine but > not for UBX. Somehow UBX doesn’t like such high lo offset. Reducing lo > offset to a much smaller value (12MHz) resolved the issue, but that low > lo_offset value doesn’t meet our requirements. > > > Thank you, > > Tom > _______________________________________________ > USRP-users mailing list -- usrp-users@lists.ettus.com > To unsubscribe send an email to usrp-users-le...@lists.ettus.com >
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