Difference between revisions of "MiniDC PreampOutput 10 10 07"
Jump to navigation
Jump to search
| Line 13: | Line 13: | ||
=Scope pictures triggering on sense wire C2 = | =Scope pictures triggering on sense wire C2 = | ||
| − | I set the scope threshold to below -14 mV based on previous measurements. | + | I set the scope threshold to below -14 mV based on [http://iac.isu.edu/mediawiki/index.php/MiniDC_Signals_10-0-07 previous measurements]. |
Revision as of 03:32, 12 October 2007
Drift chamber High voltage settings
| HV settings | |
| Wire | Volts |
| Sense | 1800 |
| Field | -800 |
| Guard | 800 |
Scope pictures triggering on sense wire C2
I set the scope threshold to below -14 mV based on previous measurements.
Scope pictures triggering on preamp output (pin 2)
I found that a trigger threshold of -100 mV discriminated well between noise and pulses consistent with previous ionization events.