K1713-01_15 Datasheet, PDF (4/8 Pages) Hamamatsu Corporation – Two-color detectors

Tow-color detectors
K1713/K3413-01, -002
S/N vs. supply voltage
800
600
400
200
0
0
PbS photoconductive detector
(Typ. Ta=25 °C) ₈
7
S (Signal)
6
5
4
N (Noise)
3
Light source: black body 500 K
Incident light level: 4.8 μW/cm^{2 2}
Chopping frequency: 600 Hz
Frequency bandwidth: 60 Hz
1
Supply voltage is the value
which contains load resistance.
0
10
20
30
40
50
60
Supply voltage (V)
If voltage of higher than 60 V is applied, the
noise increases exponentially, degrading the
S/N. The device should be operated at 60 V
or less.
KIRDB0046EB
PbSe photoconductive detector
(Typ. Ta=25 °C)
700
20
Light source: black body 500 K
Incident light level: 16.7 μW/cm²
18
600 _{Chopping frequency: 600 Hz}
Frequency bandwidth: 60 Hz
16
500
Supply voltage is the
value which contains
14
load resistance.
400
12
S (Signal)
10
300
8
200
100
0
0
N (Noise)
6
4
2
0
20
40
60
80 100 120
Supply voltage (V)
KIRDB0440EB
4