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C7169 Datasheet, PDF (2/4 Pages) Hamamatsu Corporation – Power Supply for PMT Modules
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Photon Counting Units C3866, C6465
These photon counting units contain an amplifier and discriminator to convert the sin-
gle photoelectric pulses from a photomultiplier tube into a 5 V digital signal.
The C3866 has an output linearity up to 1 × 107 S-1, and a high-speed counter is not
required when set to division by 10.
The C6465 has an output linearity up to 1 × 106 S-1, and an output pulse width of 30 ns
allows it to be used with a general-purpose counter.
LLeft: C3866 Right: C6465
Parameter
Input Impedance
Discrimination Level (input conversion)
Gain Required in PMT
Prescaler
Count Linearity
Pulse-pair Resolution
Output Signal Level
Output Pulse Width
Supply Voltage
Input
Connector
Output
Remote
Power
Dimensions
Weight
C3866
50
-0.5 to -16
3 × 106
1/1
1/10
4 × 106
1 × 107
25
10
C-MOS
10
Depends on count rate.
+5.2 ± 0.2 V, 150 mA/-5.2 ± 0.2 V, 300 mA
BNC-R
BNC-R
BNC-R
HIROSE SR30-10R-4S *1
88 × 32 × 170
Approx. 320
*1: Supplied with a cable (1 m) attached to the mating plug (HIROSE SR30-10PQ-4P).
*2: Supplied with a cable (1.5 m) attached to the mating plug.
C6465
50
-2.2 to -31
5 × 106
—
1 × 106
60
TTL positive logic
30
+5 V, 60 mA/-5 V, 120 mA
BNC-R
BNC-R
—
DIN (6-pin) *2
60 × 43.2 × 105
Approx. 250
Unit
Ω
mV
—
s-1
ns
—
ns
—
—
—
—
—
mm
g
Data Acquisition Units C8907, C8908
The C8907 and C8908 data acquisition units have a signal processing circuit that con-
verts analog signals of a PMT module into digital data for output to a PC (personal
conputer). Gate time/Integration time, number of reading and photomultiplier tube gain
can be controlled from the PC. The C8907 and C8908 also provide output voltage
necessary to operate a PMT module, making device setup and connection easier.
Left: PMT module (sold separately)s
Right: C8907, C8908
Parameter
Configuration
C8907
C8908
Unit
Photon counting circuit + counter + CPU + interface Charge amp + ADC + CPU + interface
—
Pulse-pair Resolution
20
—
ns
ADC Resolution
Interface
—
12
bit
RS-232C
—
Gate Time / Integration Time
10 to 1000 (10 step)
0.04 to 500
ms
Dead Time
—
Number of Reading at Fixed Set Reading
—
0.01 to 500
ms
1 to 127
—
Supply Voltage
+5
V
Accessories (supplied)
Power cable (6-pin)
RS-232C cross cable
—
Applicable PMT Modules
H7826P, H7826P-01, H7732P-01,
H7732P-11, H5783P*
H7826 Series, H7732 Series, H6780 Series*
H5783 Series*, H7710 / H8567 Series*
—
*: We can install a signal connector (BNC-P) and a power input connector (HIROSE HR 10A-7P-6P) to the cable ends of an applicable PMT module
if needed (extra charge). Please specify the type of connector when placing your order.
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