Difference between revisions of "Preamp 3"

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The following were obtained with increased anode voltages.
 
The following were obtained with increased anode voltages.
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55Fe source
 
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Cosmic rays
 
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Revision as of 13:22, 16 April 2010

The pictures below show oscilloscope traces for gas mixture 50/50 Ar/CO2.

new preamp and new cable (baseline adjusted), 1900V.
old preamp and old cable, 1900V.
new preamp and old cable, 1900V.

The following were obtained with increased anode voltages. 55Fe source

new preamp, 55Fe, 50/50 Ar/CO2, 2100V
new preamp, 55Fe, 50/50 Ar/CO2, 2100V (as left, for longer)
old preamp, 55Fe, 50/50 Ar/CO2, 2100V
old preamp, 55Fe, 50/50 Ar/CO2, 2100V (as left, for longer)

Cosmic rays

new preamp, cosmic rays, 50/50 Ar/CO2, 2100V
new preamp, cosmic rays, 50/50 Ar/CO2, 2100V (as left, for longer)
old preamp, cosmic rays, 50/50 Ar/CO2, 2100V
old preamp, cosmic rays, 50/50 Ar/CO2, 2100V (as left, for longer)
new preamp with 50/50 Ar/CO2, 2200V
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