Difference between revisions of "Preamp 3"
From GlueXWiki
| (21 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
| + | The pictures below show oscilloscope traces for gas mixture 50/50 Ar/CO2, all are shaper output. | ||
{| border="1" cellpadding="2" | {| border="1" cellpadding="2" | ||
| − | + | |width="275pt"|[[Image:preamp_3_new_cable.jpg|thumb|none|260px|new preamp and new cable (baseline adjusted), cosmic rays, 50/50 Ar/CO2, 1900V]] | |
| − | |width=" | + | |width="275pt"|[[Image:allold.jpg|thumb|none|260px|old preamp and old cable, cosmic rays, 50/50 Ar/CO2, 1900V]] |
| − | |width=" | + | |width="275pt"|[[Image:preamp_3_old_cable.jpg|thumb|none|260px|new preamp and old cable, cosmic rays, 50/50 Ar/CO2, 1900V.]] |
| − | | | + | |
|} | |} | ||
| + | <br> | ||
| + | The following were obtained with increased anode voltages (and the old cable).<br><br> | ||
| + | 2000V, 55Fe source | ||
{| border="1" cellpadding="2" | {| border="1" cellpadding="2" | ||
| − | + | |width="415pt"|[[Image:new_preamp_55Fe_2000V.jpg|thumb|none|400px|new preamp, 55Fe, 50/50 Ar/CO2, 2000V (jpg replaced!)]] | |
| − | |width="415pt"|[[Image: | + | |width="415pt"|[[Image:old_preamp_55Fe_2000V.jpg|thumb|none|400px|old preamp, 55Fe, 50/50 Ar/CO2, 2000V]] |
| − | | | + | |
|} | |} | ||
| + | 2000V, Cosmic rays | ||
| + | {| border="1" cellpadding="2" | ||
| + | |width="415pt"|[[Image:new_preamp_cosmics_2000V.jpg|thumb|none|400px|new preamp, cosmic rays, 50/50 Ar/CO2, 2000V]] | ||
| + | |width="415pt"|[[Image:old_preamp_cosmics_2000V.jpg|thumb|none|400px|old preamp, cosmic rays, 50/50 Ar/CO2, 2000V]] | ||
| + | |} | ||
| + | |||
| + | <br> | ||
| + | 2100V, 55Fe source | ||
{| border="1" cellpadding="2" | {| border="1" cellpadding="2" | ||
| − | |||
|width="415pt"|[[Image:new_preamp_55Fe_2100V.jpg|thumb|none|400px|new preamp, 55Fe, 50/50 Ar/CO2, 2100V]] | |width="415pt"|[[Image:new_preamp_55Fe_2100V.jpg|thumb|none|400px|new preamp, 55Fe, 50/50 Ar/CO2, 2100V]] | ||
| + | |width="415pt"|[[Image:new_preamp_55Fe_2100V_longer.jpg|thumb|none|400px|new preamp, 55Fe, 50/50 Ar/CO2, 2100V (as left, for longer)]] | ||
| + | |} | ||
| + | {| border="1" cellpadding="2" | ||
|width="415pt"|[[Image:old_preamp_55Fe_2100V.jpg|thumb|none|400px|old preamp, 55Fe, 50/50 Ar/CO2, 2100V]] | |width="415pt"|[[Image:old_preamp_55Fe_2100V.jpg|thumb|none|400px|old preamp, 55Fe, 50/50 Ar/CO2, 2100V]] | ||
| − | | | + | |width="415pt"|[[Image:old_preamp_55Fe_2100V_longer.jpg|thumb|none|400px|old preamp, 55Fe, 50/50 Ar/CO2, 2100V (as left, for longer)]] |
| − | |}{| border="1" cellpadding="2" | + | |} |
| − | + | ||
| + | 2100V, Cosmic rays | ||
| + | {| border="1" cellpadding="2" | ||
|width="415pt"|[[Image:new_preamp_cosmics_2100V.jpg|thumb|none|400px|new preamp, cosmic rays, 50/50 Ar/CO2, 2100V]] | |width="415pt"|[[Image:new_preamp_cosmics_2100V.jpg|thumb|none|400px|new preamp, cosmic rays, 50/50 Ar/CO2, 2100V]] | ||
| − | |width="415pt"|[[Image: | + | |width="415pt"|[[Image:new_preamp_cosmics_2100V_longer.jpg|thumb|none|400px|new preamp, cosmic rays, 50/50 Ar/CO2, 2100V (as left, for longer) ]] |
| − | + | ||
|} | |} | ||
| + | |||
{| border="1" cellpadding="2" | {| border="1" cellpadding="2" | ||
| − | + | |width="415pt"|[[Image:old_preamp_cosmics_2100V.jpg|thumb|none|400px|old preamp, cosmic rays, 50/50 Ar/CO2, 2100V]] | |
| − | |width="415pt"|[[Image: | + | |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) ]] |
| − | | | + | |
|} | |} | ||
Latest revision as of 09:08, 21 April 2010
The pictures below show oscilloscope traces for gas mixture 50/50 Ar/CO2, all are shaper output.
The following were obtained with increased anode voltages (and the old cable).
2000V, 55Fe source
2000V, Cosmic rays
2100V, 55Fe source
2100V, Cosmic rays
