Difference between revisions of "Preamp 3"

Revision as of 13:29, 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
blue: ch15 (source above this), yellow: ch16 (neighbor)

@@ Line 43: / Line 43: @@
 {| border="1" cellpadding="2"
 |-
-|width="415pt"|[[Image:new_preamp_55Fe_2200V.jpg|thumb|none|400px|new preamp with 50/50 Ar/CO2, 2200V]]
+|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)]]
 |-
 |}