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| author | Josh Blum <josh@joshknows.com> | 2010-09-09 12:35:37 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2010-09-09 12:35:37 -0700 |
| commit | ddfcc114bfd6d37c182a3279368852f4b96f9ffd (patch) | |
| tree | cc2e94f30d2244ed64150a0708b1aea382becc78 /host | |
| parent | b7e3450a9b02e3236f94d06e5102a47567733963 (diff) | |
| download | uhd-ddfcc114bfd6d37c182a3279368852f4b96f9ffd.tar.gz uhd-ddfcc114bfd6d37c182a3279368852f4b96f9ffd.tar.bz2 uhd-ddfcc114bfd6d37c182a3279368852f4b96f9ffd.zip | |
usrp2: added some pps docs using the test example app
Diffstat (limited to 'host')
| -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) |