DA-type socket assembly
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.
|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 5 MHz|
|Current to Voltage Conversion Factor||0.15 V/uA|
|Max. Output Signal Voltage||3 V|
|Max. Output Signal Current||60 mA|
|Output Impedance||50 Ω|
|Offset Voltage Max.||+/- 3 mV|
|Output Noise Voltage (rms) Typ.||4.5 mV|
|Supply Voltage for Amplifier||+/- 12 to +/- 15 V|
|Supply Current for Amplifier (at +/- 15 V) Max.||+140 / -50 mA|
|Recommended Supply Voltage for Divider||‐400 to -900 V|
|Divider Circuit Current Typ.||219 (at -900 V) μA|
|Weight Typ.||55 g|
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