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| |width="415pt"|[[Image:old_preamp_cosmics_2100V.jpg|thumb|none|400px|old preamp, cosmic rays, 50/50 Ar/CO2, 2100V]] | | |width="415pt"|[[Image:old_preamp_cosmics_2100V.jpg|thumb|none|400px|old preamp, cosmic rays, 50/50 Ar/CO2, 2100V]] |
| |width="415pt"|[[Image:old_preamp_cosmics_2100V_longer.jpg|thumb|none|400px|old preamp, cosmic rays, 50/50 Ar/CO2, 2100V (as left, for longer) ]] | | |width="415pt"|[[Image:old_preamp_cosmics_2100V_longer.jpg|thumb|none|400px|old preamp, cosmic rays, 50/50 Ar/CO2, 2100V (as left, for longer) ]] |
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− | <br>
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− | 2200V, 55Fe source
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− | {| border="1" cellpadding="2"
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− | |width="415pt"|[[Image:new_preamp_55Fe_2200V.jpg|thumb|none|400px|new preamp with 50/50 Ar/CO2, 2200V <br> blue: ch15 (source above this), yellow: ch16 (neighbor)<br> Peaks are approx 500ns apart]]
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| |} | | |} |
Revision as of 14:52, 20 April 2010
The pictures below show oscilloscope traces for gas mixture 50/50 Ar/CO2, all are shaper output.
new preamp and new cable (baseline adjusted), cosmic rays, 50/50 Ar/CO2, 1900V
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old preamp and old cable, cosmic rays, 50/50 Ar/CO2, 1900V
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new preamp and old cable, cosmic rays, 50/50 Ar/CO2, 1900V.
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The following were obtained with increased anode voltages.
2000V, 55Fe source
new preamp, 55Fe, 50/50 Ar/CO2, 2000V
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old preamp, 55Fe, 50/50 Ar/CO2, 2000V
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2000V, Cosmic rays
new preamp, cosmic rays, 50/50 Ar/CO2, 2000V
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old preamp, cosmic rays, 50/50 Ar/CO2, 2000V
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2100V, 55Fe source
new preamp, 55Fe, 50/50 Ar/CO2, 2100V
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new preamp, 55Fe, 50/50 Ar/CO2, 2100V (as left, for longer)
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old preamp, 55Fe, 50/50 Ar/CO2, 2100V
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old preamp, 55Fe, 50/50 Ar/CO2, 2100V (as left, for longer)
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2100V, Cosmic rays
new preamp, cosmic rays, 50/50 Ar/CO2, 2100V
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new preamp, cosmic rays, 50/50 Ar/CO2, 2100V (as left, for longer)
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old preamp, cosmic rays, 50/50 Ar/CO2, 2100V
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old preamp, cosmic rays, 50/50 Ar/CO2, 2100V (as left, for longer)
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