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| author | erickshepherdNI <erickshepherd@ni.com> | 2019-12-06 15:51:39 -0600 |
|---|---|---|
| committer | Brent Stapleton <brent.stapleton@ettus.com> | 2019-12-13 09:11:51 -0800 |
| commit | ab305a906f0809e79d765da504618c0bbaa1d8cf (patch) | |
| tree | 72880d4cb29e218d45c2a2ac74952e856d41b471 /host/docs/rd_testing.dox | |
| parent | 9f6a12985589ef0d846995abd63972adee9c472a (diff) | |
| download | uhd-ab305a906f0809e79d765da504618c0bbaa1d8cf.tar.gz uhd-ab305a906f0809e79d765da504618c0bbaa1d8cf.tar.bz2 uhd-ab305a906f0809e79d765da504618c0bbaa1d8cf.zip | |
X310: update UBX/SBX gain settings for phase alignment testing
Update UBX and SBX gain settings in the manual for phase alignment
testing.
Diffstat (limited to 'host/docs/rd_testing.dox')
| -rw-r--r-- | host/docs/rd_testing.dox | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/host/docs/rd_testing.dox b/host/docs/rd_testing.dox index 9b67e0d7b..816e338f5 100644 --- a/host/docs/rd_testing.dox +++ b/host/docs/rd_testing.dox @@ -788,12 +788,12 @@ Software Required 3. Connect host to both X3x0s. 4. Connect 10 MHz and PPS from Octoclock-G to both X3x0s. 5. Connect Signal Generator to input of splitter and outputs of the splitter to the RX2 port on each daughterboard. -6. Set Signal Generator output power at -30 dBm. +6. Set Signal Generator output power at -35 dBm for UBX and -29 dBm for SBX. 7. From the top of the UHD source, run the command: - - `./tools/gr-usrptest/apps/usrp_phasealignment.py --args "addr0=<first X3x0 IP addr>,addr1=<second X3x0 IP addr>,dboard_clock_rate=20e6" --clock-source external --time-source external --sync pps --spec "A:0" --channels 0,1 -s 10e6 -g 25 -f \<lowest DB freq\> --freq-bands \<# frequency bands\> --start-freq \<lowest freq\> --stop-freq \<highest freq\> --duration 2.0 --auto` + - `./tools/gr-usrptest/apps/usrp_phasealignment.py --args "addr0=<first X3x0 IP addr>,addr1=<second X3x0 IP addr>,dboard_clock_rate=20e6" --clock-source external --time-source external --sync pps --spec "A:0" --channels 0,1 -s 10e6 -g \<33 if UBX 37.5 if SBX\> -f \<lowest DB freq\> --freq-bands \<# frequency bands\> --start-freq \<lowest freq\> --stop-freq \<highest freq\> --duration 2.0 --auto` -8. At each frequency step, tune Signal Generator to the displayed frequency + 1 MHz and increase output power by 2dB. +8. At each frequency step, tune Signal Generator to the displayed frequency + 1 MHz and increase output power by 1dB. 9. Analyze terminal output. The "run avg" across all runs should not deviate more than 2 degrees and the "stddev" for any run should not deviate more than 2 degrees. \subsection rdtesting_phase_rx_N2x0_MIMO N2x0 MIMO with SBX |