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| author | Martin Braun <martin.braun@ettus.com> | 2016-09-27 17:08:41 -0700 |
|---|---|---|
| committer | Martin Braun <martin.braun@ettus.com> | 2016-09-27 17:08:41 -0700 |
| commit | 102b03f59afdfd3bc633639a1a126bfdff57af45 (patch) | |
| tree | a88c8c15b90af78414e71f782708aa206a746c58 | |
| parent | 799446ba9b7517a9703ba05021eb8825ebe1ee61 (diff) | |
| download | uhd-102b03f59afdfd3bc633639a1a126bfdff57af45.tar.gz uhd-102b03f59afdfd3bc633639a1a126bfdff57af45.tar.bz2 uhd-102b03f59afdfd3bc633639a1a126bfdff57af45.zip | |
docs: Comments on B2x0 + GPSDO
| -rw-r--r-- | host/docs/gpsdo_b2x0.dox | 7 | ||||
| -rw-r--r-- | host/docs/usrp_b200.dox | 3 |
2 files changed, 9 insertions, 1 deletions
diff --git a/host/docs/gpsdo_b2x0.dox b/host/docs/gpsdo_b2x0.dox index a54665427..97d97135a 100644 --- a/host/docs/gpsdo_b2x0.dox +++ b/host/docs/gpsdo_b2x0.dox @@ -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: diff --git a/host/docs/usrp_b200.dox b/host/docs/usrp_b200.dox index c846e916f..2192ba63e 100644 --- a/host/docs/usrp_b200.dox +++ b/host/docs/usrp_b200.dox @@ -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 |