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Module testing

The BAT modules were exposed to a Sr-90 beta source that was placed just above the active "window". All modules were configured ok (both singly and with all four modules at the same time. Below is a table of the pedestals and noise for the modules.

Module

Pedestal
(n-side)

Pedestal
(p-side)

Noise
(n-side)

Noise
(p-side)

1

2000

2000

40

20

2

2000

2000

65

20

3

2000

2200-3000

25
(low strips ~45)

20

6

1000

1200-2000

35
(low strips ~45)

20

Module 2 has a factor of ~2  higher noise and did not display a nice picture of the source as the other modules.

See an example of a picture of the Sr-90 source below