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Diffstat (limited to 'host/docs/usrp2.rst')
| -rw-r--r-- | host/docs/usrp2.rst | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/host/docs/usrp2.rst b/host/docs/usrp2.rst index 3ac326f58..745361b77 100644 --- a/host/docs/usrp2.rst +++ b/host/docs/usrp2.rst @@ -205,3 +205,27 @@ Example, set the args string to the following: :: addr=192.168.10.2, recv_buff_size=100e6 + +------------------------------------------------------------------------ +Hardware setup notes +------------------------------------------------------------------------ + +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Ref Clock - 10MHz +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Using an external 10MHz reference clock requires a signal level between ++5dBm and +20dBm at 10MHz applied to the Ref Clock SMA port on the front panel. + + +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +PPS - Pulse Per Second +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +Using a PPS signal for timestamp synchronization requires a 5Vpp square wave signal + +Test the PPS input of the USRP2 with the following app: +:: + + cd <prefix>/share/uhd/examples + ./test_pps_input --args=<args> + +* <args> are device address arguments (optional if only one USRP is on your machine) |