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docs: Comments on B2x0 + GPSDO

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Martin Braun 2016-09-27 17:08:41 -07:00
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7
host/docs/gpsdo_b2x0.dox
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@ -69,5 +69,12 @@ using the **gps_gprmc**, and **gps_gpgga** sensors. Location
information can be parsed out of the **gps_gpgga** sensor by using **gpsd**
or another NMEA parser.
\section gpsdob_power Using a power supply with the B2x0 and GPSDO
The GPSDOs for the B2x0 draw extra power, and when running off of bus power
only, brownouts are possible (although not guaranteed to happen).
It is recommended to use a wall power connector when using a B2x0 in
conjunction with a GPSDO.
*/
// vim:ft=doxygen:

3
host/docs/usrp_b200.dox
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@ -19,8 +19,9 @@
- Timed sampling in FPGA
\section b200_power Power
In most cases, USB 3.0 bus power will be sufficient to power the device.
If using USB 2.0 or an internal GPSDO, an external power supply or a cable designed
If using USB 2.0 or a GPSDO, an external power supply or a cable designed
to pull power from 2 USB ports (USB 3.0 dual A to micro-B or B) must be used.
\section b200_imgs Specifying a Non-standard Image