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 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 V to +/-15 V|
|Supply Current for Amplifier (at +/- 15 V) Max.||+20 mA / -0.53 mA|
|Recommended Supply Voltage for Divider||‐400 V to -1000 V|
|Divider Circuit Current Typ.||174 μA (at -1000 V)|
|Weight Typ.||170 g|
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