Figure 1: Typical Frequency Response

TACCB0126EA

AMPLIFIER UNIT

C12419

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subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2013 Hamamatsu Photonics K.K.

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SPECIFICATIONS

FEATURES

The C12419 which furnishes current-to-voltage conver-

sion circuit is designed for use with current sources like

photomultiplier tubes.

The performances are convenient to such an application

as requiring a low noise and high gain preamplifier.

Parameter

Description / Value

Frequency Bandwidth (-3 dB)

Current-to-voltage

Conversion Factor

Rise Time

Input Polarity

Max. Input Current

Amplifying Method

Output Impedance

Maximum Output

Signal Voltage

Connector

Power Supply Voltage

Max. Power Supply Voltage

Power Supply Current

Operating Ambient Temperature

Storage Temperature

Weight

Typ.

Typ.

Max.

DC to 1 MHz

1 V/

µA

350 ns

Positive / Negative

±100 µA

Inverting Output

50

Ω

±11 V Min.

±3 V Min.

1 mV rms

BNC-R

BNC-R

DIN (6-pin)

±15 V

±18 V

±100 mA

0

°C to +40 °C

-15

°C to +60 °C

Approx. 165 g

Load Resistance: 1 k

Ω

Load Resistance: 1 k

Ω

Load Resistance: 50

Ω

Input

Output

Power

NOTE: ALoad Resistance: 50

Ω

GBandwidth: DC to 1 MHz

GCurrent-to-voltage Conversion Factor:

1 V/

µA at 1 kΩ Load Resistance

GInverting Output

GAdjustable Offset Level with VR

GLow Noise and High Gain

FREQUENCY (kHz)

-20

5

-5

0

-10

-15

10