There’s no built in bias tee for the RF ports on any USRP. For USRPs with GPS antenna inputs, those inputs have a 5V bias on them.
Sent from my iPhone > On Aug 28, 2023, at 7:46 AM, Steven Murdoch <ste...@lists.murdoch.is> wrote: > > Hello, > > Perhaps I’m missing something obvious but I haven’t been able to find an > explicit statement whether or not the USRP B205mini-i receiver has a bias-T > to supply power to an active antenna. Does anyone know whether it does, and > if so how to enable it and its specifications? > > If it does not, does anyone have any recommendations for a good value bias-T, > ideally small and without needing a separate power supply (which would defeat > the convenience of a bus-powered device). > > This is for use with a L1 (1,575 MHz) active GPS antenna which needs 2.3–5.5V > 16.6mA. > > Thanks in advance! > > Best wishes, > Steven > _______________________________________________ > USRP-users mailing list -- usrp-users@lists.ettus.com > To unsubscribe send an email to usrp-users-le...@lists.ettus.com _______________________________________________ USRP-users mailing list -- usrp-users@lists.ettus.com To unsubscribe send an email to usrp-users-le...@lists.ettus.com