diff options
| -rw-r--r-- | host/docs/usrp2.rst | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/host/docs/usrp2.rst b/host/docs/usrp2.rst index 0d48209be..745361b77 100644 --- a/host/docs/usrp2.rst +++ b/host/docs/usrp2.rst @@ -213,10 +213,19 @@ 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. +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) |