R2949 Просмотр технического описания (PDF) - Hamamatsu Photonics
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R2949 Datasheet PDF : 4 Pages
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(1)Light Hysteresis
The tube is operated at 750 V with an anode current of 1 µA for
5 minutes. The light is then removed from the tube for a minute. The tube is
then re-illuminated by the previous light level for a minute to measure the
variation.
(2)Voltage Hysteresis
The tube is operated at 300 V with an anode current of 0.1 µA
for 5 minutes. The light is then removed from the tube and the supply voltage
is quickly increased to 800 V. After a minute, the supply voltage is then
reduced to the previous value and the tube is re-illuminated for a minute to
measure the variation.
Figure 2: Anode Luminous Sensitivity and Gain
Characteristics
TPMSB0156EB
104
108
103
102
101
TYPICMALINAITMNYUOPMIDCEAANLSOEGNDASEINITSAIEVNNITDSYITIVITY
107
106
105
100
104
10-1
103
Figure 3: Typical Time Response
TPMSB0157EC
100
80
60
40
20
TRANSIT TIME
10
8
6
4
RISE TIME
2
10-2
500
700
1000
SUPPLY VOLTAGE (V)
102
1500
1
500
700
1000
1500
SUPPLY VOLTAGE (V)
Figure 4: Typical Temperature Coefficient of Anode
Sensitivity
TPMSB0158EB
160
140
800nm
600nm
120
100
400nm
80
60
40
20
0
-30 -20 -10 0 +10 +20 +30 +40 +50
TEMPERATURE (°C)
Figure 5: Typical Temperature Characteristic of Dark Counts
TPMSB0159EB
10000
1000
100
10
0
-30 -20 -10 0 +10 +20 +30 +40
TEMPERATURE (°C)
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