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Main tube parameters
Model NVS 7-2 XT NVS 7-3 XT
Generation
2+
3
IIT Model NCXT4322 N3XT4322
ITT Resolution, min 57 lp/mm 57 lp/mm
Image Intensifier Type
(Generation/Grade)
2+
XT
3
XT
Photocathode operating diameter, mm 17.5
Photocathode type S-25 GaAs
Photocathode sensitivity, min :
Integral
600 A/ lm 1,600 A/ lm
Spectral at = 850 nm
45 mA/W 180 mA/W
Light amplification >35,000 fl/fc
Image magnification 1x
Max dark background brightness
110
cd/m
2
Signal-to-noise ratio 18 20
Current consumption, max 20 mA 25 mA
Voltage
2.80.8 V
MTBF, hours 10K 10K
Operating temperature range -50°C … +55°C