Rainbow Electronics TH7887A - Manual (Page 17)

17
TH7887A
2146A–IMAGE–05/02
Figure 17. Spectral Response
Image Quality Grade
Blemish Max area of 2 x 2 defective pixels.
Clusters Less than 7 contiguous defects in a column.
Columns More than 7 contiguous defects in a column.
General Measurement
Conditions
Note: 1. Reference is Vo : average darkness signal
0
400 450 500 550 600 650 700
Lambda (mm)
Quantum efficiency (%)
750 800 850 900 950 1000 1050 1100
5
10
15
20
Room temperature 25°C
Frequency
60 images/second
typical operating conditions
Considered image zone 1024 x 1024
Light source 2854 K with BG38 filter + F/3.5 optical aperture
Table 5. At V
OS
= 0.7 Vsat.
Type White Black
Blemishes/clusters
α > 20% Vos
S
кα п > 30% Vos
Columns α > 10% Vos ê α ï > 10% Vos
Table 6. In darkness, T = 25°C, 60 images/second
Blemishes/clusters α > 10 mV (1)
Columns α > 5 mV (1)