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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