CDC tracked cosmics

At 1950V, 50/50 gas:

Amplitude spectra for channel 7, to set the threshold = pedestal-mean + n * pedestal-width. First, n=10.

Old preamp, n=10

old preamp, cosmics, 50/50 Ar/CO2, 1950V

old preamp, cosmics, 50/50 Ar/CO2, 1950V, 45 degrees

New preamp, n=10, ADC range halved (scale doubled)

new preamp, cosmics, 50/50 Ar/CO2, 1950V

new preamp, cosmics, 50/50 Ar/CO2, 1950V, 45 degrees