Difference between revisions of "CDC tracked cosmics"
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| − | Amplitude spectra for channel 7 to set the threshold = pedestal-mean + n * pedestal-width | + | At 1950V, 50/50 gas: |
| + | |||
| + | Amplitude spectra for channel 7, to set the threshold = pedestal-mean + n * pedestal-width. First, n=10. | ||
| + | |||
| + | <br> | ||
| + | Old preamp | ||
| + | {| border="1" cellpadding="2" | ||
| + | |width="415pt"|[[Image:cosmic_amplitude_1950V_old_preamp.jpg|thumb|none|400px|old preamp, cosmics, 50/50 Ar/CO2, 1950V]] | ||
| + | |width="415pt"|[[Image:cosmic_amplitude_1950V_old_preamp_45deg.jpg|thumb|none|400px|old preamp, cosmics, 50/50 Ar/CO2, 1950V, 45 degrees]] | ||
| + | |} | ||
| + | New preamp, ADC range halved (scale doubled) | ||
| + | {| border="1" cellpadding="2" | ||
| + | |width="415pt"|[[Image:cosmic_amplitude_1950V_new_preamp.jpg|thumb|none|400px|new preamp, cosmics, 50/50 Ar/CO2, 1950V]] | ||
| + | |width="415pt"|[[Image:cosmic_amplitude_1950V_new_preamp_45deg.jpg|thumb|none|400px|new preamp, cosmics, 50/50 Ar/CO2, 1950V, 45 degrees]] | ||
| + | |} | ||
Revision as of 13:20, 18 June 2010
At 1950V, 50/50 gas:
Amplitude spectra for channel 7, to set the threshold = pedestal-mean + n * pedestal-width. First, n=10.
Old preamp
New preamp, ADC range halved (scale doubled)
