Preamp 4: 55Fe 'scope traces at lower voltage
From GlueXWiki
The pictures below show oscilloscope traces for gas mixture 50/50 Ar/CO2 and 55Fe source, all are shaper output.
Preamp 4 is described in GlueX-doc-1364, table 2, row 2; the 'old' preamp is the original one, GPC-01.
1850V, 55Fe source, old preamp (left) and preamp4 (right)
As above, for longer
1900V, 55Fe source, old preamp (left, 200 mV/div) and preamp4 (right, 100 mv/div)
As above, for longer
1950V, 55Fe source, old preamp (left, 200 mV/div) and preamp4 (right, 100 mv/div)
As above, for longer
