On 12/12/2018 04:00 AM, Jan Safar via USRP-users wrote:
Hello,
Please can you advise the maximum current that can be drawn from the
GPS Antenna port on the B200?
I’m thinking of using an active antenna which should draw less than 30
mA and an amplified GPS splitter which draws 15 mA – can the B200
supply 45 mA on the antenna port?
Also, the page linked below says that the B200 GPSDO ‘is capable of
supplying a 3V for active GPS antennas’ …
http://files.ettus.com/manual/page_gpsdo_b2x0.html
… but this page suggests the B200 requires a 5V antenna:
https://www.ettus.com/product/details/GPS-ANT-5V
Am I right in assuming that the B200 supplies 5V on the GPS Antenna port?
Most GPS 5V antennas will be perfectly happy with 3.3V, and I THINK
that's the case here.
The GPSDO module for the B2xx is one of these, from Jackson Labs:
http://www.jackson-labs.com/index.php/products/lc_xo
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