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DA-type socket assembly

C7246-22

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The C7246 and C7247 series are DA type socket assemblies designed for 28 mm (1-1/8 inch) diameter side-on and head-on photomultiplier tubes. A voltage-divider circuit and an amplifier are incorporated in the same package. The photomultiplier tube low-level, high-impedance current can be converted into a low-impedance voltage output. Both the C7246 and C7247 series use an active voltage-divider circuit that ensures excellent DC linearity at low power consumption. The C7246 series also has a gain adjustment function that does not affect amplifier frequency bandwidth.

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Specifications

Applicable PMT 28mm Head-on type
[Max. Rating] Supply Voltage for Amplifier +/- 18 V
[Max. Rating] Supply Voltage for Divider -1500 V
[Max. Rating] Operating Ambient Temperature 0 to +40 ℃
[Max. Rating] Storage Temperature -15 to +60 ℃
Frequency Bandwidth (-3 dB) DC to 20 kHz
Current to Voltage Conversion Factor 0.3 V/uA
Max. Output Signal Voltage 10 V
Max. Output Signal Current 18 mA
Output Impedance 50 Ω
Offset Voltage Max. +/- 1 mV
Output Noise Voltage (rms) Typ. 0.09 mV
PMT Gain Adjustable Range Min. 10 dB
Supply Voltage for Amplifier +/- 12 to +/- 15 V
Supply Current for Amplifier (at +/- 15 V) Max. +20 / -0.53 mA
Recommended Supply Voltage for Divider ‐400 to -1000 V
Divider Circuit Current Typ. 174 (at -1000 V) μA
Weight Typ. 170 g

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