GBS Elektronik MCA-527 - Manual (Page 33)

Pulse Height Spectroscopical Measurements
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Figure 13: Dependence of resolution on shaping time for a CZT500 detector. Shaping
times between 0.5µs and 1µs seem to be optimum.
0,1 1,0 10,0
10,0
12,0
14,0
16,0
18,0
20,0
22,0
24,0
26,0
28,0
30,0
1st measurement
2nd measurement
MCA166 (for comparison)
Shaping Time [µs]
F
W
H
M
@
66
2k
eV
[k
eV
]
Figure 14: Dependence of resolution on shaping time for a good NaI. The shortest
possible shaping time is long enough.
0,1 1,0 10,0
5,0
5,5
6,0
FWHM NaI [%]
Shaping Time [µs]
F
W
H
M
@
66
2k
eV
[%
]