GBS Elektronik MCA-527 How to do an optimum setup - Manual (Page 8)

Preamp signal (NaI detector) and trigger filter output signal shown in the oscilloscope window. From this
picture it can be seen that the time resolution of this is about 0.5µs.
If an especially low cutoff at rather low count rates is required, the (-101) filter can be used, in case especially
good pile up rejection required at the expense of an insensitive low energy spectrum cutoff the (1-21) can be
used.
Worst case scenario: Preamplifier signal of a CsI detector with photodiode readout. This is somehow a worst
case scenario, as it combines a very slow signal rise, which even seems to come from 2 time constants with a
high noise level.