Figure 1: Typical Frequency Response
WIDE BANDWIDTH AMPLIFIER UNIT
C6438-02
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions. Specifications are
subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2013 Hamamatsu Photonics K.K.
Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.
SPECIFICATIONS
FEATURES
The output signal from a photomultiplier tube can be di-
rectly input to the C6438-02 and it provides a voltage out-
put signal with 50 Ω load at a conversion factor of 5
mV/µA.
The C6438-02 has a selecting switch to get the amplified
non inverting-inverting output.
Parameter Description / Value
Frequency Bandwidth (-3 dB)
Voltage Gain
A
Current-to-voltage
Conversion Factor
Rise Time
Input Polarity
Amplifying Method
Input Impedance
Recommended Load Resistance
Maximum Output
Signal Voltage
Output Offset Voltage
A
Output Noise Voltage
A
Connector
Power Supply Voltage
Max. Power Supply Voltage
Power Supply Current
Operating Temperature
Storage Temperature
Weight
Ty p.
Ty p.
Max.
Max.
DC to 50 MHz
40 dB ± 3 dB
(Approx. 100 times)
10 mV/µA
5 mV/µA
7 ns
Positive / Negative
Non-inverting /
Inverting Output
B
50 Ω
50 Ω
±3.0 V Min.
±1.3 V Min.
±1 mV
2 mV rms
BNC-R
BNC-R
DIN (6-pin)
±5 V
±6.5 V
±140 mA
0 °C to +40 °C
-10 °C to +60 °C
Approx. 165 g
Load Resistance: 1 MΩ
Load Resistance: 50 Ω
Load Resistance: 1 MΩ
Load Resistance: 50 Ω
Input
Output
Power
NOTE: ALoad Resistance: 50 Ω BSwitchable
●Wide Bandwidth: DC to 50 MHz
●Current-to-voltage Conversion Factor:
5 mV/µA at 50 Ω load resistance
●Non-inverting / Inverting Output Switchable
●Rise Time: 7 ns (Typ.)
●Compact
.
Light Weight
TACCB0128EA
FREQUENCY (MHz)
RELATIVE GAIN (dB)
-20
5
-5
0
-10
-15
10
100110
TACC1059E01
AUG. 2013. IP
Figure 2: Dimensional Outline (Unit: mm)
WIDE BANDWIDTH AMPLIFIER UNIT C6438-02
TACCA0321EA
* Power cable with a plug connector attached at one end is supplied with the C6438-02.
HAMAMATSU PHOTONICS K.K.
HAMAMATSU PHOTONICS K.K., Electron Tube Division
314-5, Shimokanzo, Iwata City, Shizuoka Pref., 438-0193, Japan, Telephone: (81)539/62-5248, Fax: (81)539/62-2205
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P. O. Box 6910, Bridgewater. N.J. 08807-0910, U.S.A., Telephone: (1)908-231-0960, Fax: (1)908-231-1218 E-mail: usa@hamamatsu.com
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49)8152-375-0, Fax: (49)8152-2658 E-mail: info@hamamatsu.de
France: Hamamatsu Photonics France S.A.R.L.: 19, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: (33)1 69 53 71 00, Fax: (33)1 69 53 71 10 E-mail: infos@hamamatsu.fr
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road Welwyn Garden City Hertfordshire AL7 1BW, United Kingdom, Telephone: 44-(0)1707-294888, Fax: 44(0)1707-325777 E-mail: info@hamamatsu.co.uk
North Europe: Hamamatsu Photonics Norden AB: Thorshamnsgatan 35 SE-164 40 Kista, Sweden, Telephone: (46)8-509-031-00, Fax: (46)8-509-031-01 E-mail: info@hamamatsu.se
Italy: Hamamatsu Photonics Italia: S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39)02-935 81 733, Fax: (39)02-935 81 741 E-mail: info@hamamatsu.it
China: Hamamatsu Photonics (China) Co., Ltd.: 1201 Tower B, Jiaming Center, 27 Dongsanhuan Road North, Chaoyang District, Beijing 100020, China, Telephone: (86)10-6586-6006, Fax: (86)10-6586-2866 E-mail: hpc@hamamatsu.com.cn
www.hamamatsu.com
OUTPUT
INV.
NON
INV.
±5VINPUT
43.2 ± 0.5
MOUNTING THREADED HOLES (2-M3 DEPTH 5) PADDED RUBBER
65 ± 0.5
47.5 ± 0.2
60 ± 0.5
ALUMINUM HOUSING DIN TYPE (6 PINS)
BNC-R
BNC-R
TACCC0163EA
Figure 3: Internal Connection Diagram
C6438-02
BNC
BNC
1: +5V
2: -5V
3: GND
CONNECTOR
PIN
WIRE
COLOR
1
2
3
4
5
6
External Conductor
Red
White
Yellow
Blue
Green
Black
Shield
+5 V
-5 V
GND
—
—
—
GND
CONNECTION
RELATED PRODUCTS
AMPLIFIER UNITS SELECTION GUIDE
Frequency
Bandwidth (-3 dB)
Current-to-Voltage
Conversion Factor
(Load Resistance: 50 Ω)
DC to 20 kHz or
DC to 200 kHz
(switchable)
-0.1 V/µA,
-1 V/µA, -10 V/µA
(switchable) *
C7319
DC to 10 MHz
+50 mV/µA
C9999
DC to 1 MHz
-1 V/µA *
C12419
DC to 50 MHz
+0.5 mV/µA (C6438)
+25 mV/µA (C6438-01)
±5 mV/µA (C6438-02)
C6438
C6438-01
C6438-02
DC to 300 MHz
+1.25 mV/µA
C11184
50 kHz to
1.5 GHz
+3.15 mV/µA
C5594
DC to 150 MHz
+4 mV/µA
C9663Parameter
Refer to the individual catalogs for detailed information.* Load Resistance: 10 kΩ