Specifications
ComTec GmbH
2-1
2.
Specifications
2.1. Inputs
@ 20ºC, ±12V, unloaded output
Preamplification channels: 1
up to ± 4000 volts (SHV)
Test input 50 ohms terminated for tail pulser
2.2. Outputs
Decay time constant: 140
µ
s (150
µ
s, 50
µ
s, 50
µ
s resp.)
Unsaturated output swing: -3 to +3 volts
Output offset: +0.2 to -0.2 volts
Output impedance: 50 ohms
2.3. Performance
Equivalent noise charge (ENC)*:
ENC RMS: 200 electrons, 0.03 femtoCoul.
Equivalent noise in silicon: 1.7 keV (FWHM)
Equivalent noise in CdZnTe: 2.4 keV (FWHM)
ENC slope: 4 electrons RMS /pF
Gain: see table 1
Rise time**: 7 ns (see table 1)
Maximum charge detectable per event: (see table 1)
Operating temperature: -40 to +85ºC
2.4. Connector Types and Cables
Power:
D-sub 9
HV Input:
SHV (BNC for CSP1x-1B)
Detector Input: SHV for the models CSP1x-xS
BNC for the models CSP1x-1B / CSP1x-1BS
Output:
BNC
Cable:
A five foot power cable with required connectors is supplied with the preamplifier.
2.5. Power
Power supply voltage (Vs): ± 12 volts nominal (± 2 volts)
