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hardware:dbbc.calibration
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hardware:dbbc.calibration [2013/01/30 23:37] Jim Lovell |
hardware:dbbc.calibration [2013/10/02 03:56] (current) Jim Lovell |
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| ====== DBBC Calibration ====== | ====== DBBC Calibration ====== | ||
| * Apply a tone of 764 MHz at -15 dBm to one input 1 of all four CoMos | * Apply a tone of 764 MHz at -15 dBm to one input 1 of all four CoMos | ||
| - | * Use dbbc_config_file_102_calibration.txt | + | * Use dbbc_config_file_104_calibration.txt |
| * Set dbbcifa/b/c/d=3,agc,1 (i.e. input 3, filter 1) | * Set dbbcifa/b/c/d=3,agc,1 (i.e. input 3, filter 1) | ||
| + | * Once gains have stabilised, turn off the agc loop with dbbc=dbbcgain=all,man | ||
| * Run "calibration" in DBBC Control | * Run "calibration" in DBBC Control | ||
| + | * dbbc=dbbcgain=all,agc | ||
| * The results are written to C:\ as yyyy-ddddThhmmss-calib.txt | * The results are written to C:\ as yyyy-ddddThhmmss-calib.txt | ||
| - | * The file has 5 columds: phase, CoMo A/B/C/D value. Pick the phase at the null past the first peak. | + | * The file has 5 columns: phase, CoMo A/B/C/D value. Pick the phase at the null past the first peak. |
/home/www/auscope/opswiki/data/attic/hardware/dbbc.calibration.1359589030.txt.gz · Last modified: 2013/01/30 23:37 by Jim Lovell
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