PHOTOSENSOR MODULE H15460-40 FEATURES ●High quantum efficiency: GaAsP photocathode ●Large effective area: 14 mm ●Low-noise & high-speed amplifier built-in photosensor SPECIFICATIONS GENERAL & CHARACTERISTICS (at 25 °C) Parameter Input voltage Max. input voltage Max. input current 1 Max. output signal voltage 2 Max. control voltage Recommended control voltage adjustment range Effective area Spectral response range Peak quantum efficiency wavelength Quantum at peak quantum Cathode efficiency efficiency wavelength sensitivity Radiant at peak quantum efficiency wavelength sensitivity at peak quantum Radiant sensitivity efficiency wavelength Anode 3 Voltage output in darkness 4 sensitivity PMT Gain Frequency bandwidth (-3 dB) Current-to-voltage conversion factor Output offset voltage Ripple noise 35 (peak to peak) Settling time 6 Operating ambient temperature 7 Storage temperature 7 Weight NOTE: 1At ±5 V input voltage and +1.0 V control voltage in darkness 2At ±5 V input voltage, Averaged over any interval of 30 seconds maximum, Max pulse output signal voltage =+2 V. 3Control voltage = +1.0 V 4After 30 minutes storage in darkness. The actual output value in darkness is the sum of dark current and offset voltage. 5Cable RG-174/U, Cable length 450 mm, Load resistance = 1 MΩ, Load capacitance = 15 pF 6The time required for the output to reach a stable level following a charge in the control voltage form +1.0 V to +0.5 V. 7No condensation Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office. 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. ©2021

PHOTOSENSOR MODULE H15460-40 Figure 1: Spectral response Figure 2: Typical gain 107 CATHODE RADIANT SENSITIVITY (mA/W) QUANTUM EFFICIENCY (%) CATHODE RADIANT SENSITIVITY QUANTUM EFFICIENCY 0.1 200 Figure 3: Typical frequency response Figure 4: Typical ripple noise LOAD RESISTANCE: 1 MΩ LOAD CAPACITANCE: 15 pF CONTROL VOLTAGE:+1.0 V Figure 5: Typical output characteristics LOAD RESISTANCE: 1 MΩ OUTPUT SIGNAL INPUT SIGNAL

Figure 6: Schematic diagram SIGNAL OUTPUT (VOLTAGE OUTPUT) LOW VOLTAGE INPUT (+5 V) LOW VOLTAGE INPUT (-5 V) HIGH VOLTAGE POWER SUPPLY CIRCUIT GND Vref OUTPUT (+1.2 V) Vcont INPUT (+0.5 V to +1.1 V) (INPUT IMPEDANCE: 1 MΩ) Figure 7: Sensitivity adjustment method VOLTAGE PROGRAMMING RESISTANCE PROGRAMMING SIGNAL OUTPUT LOW VOLTAGE INPUT (RED) LOW VOLTAGE INPUT (GREEN) GND (BLACK) Vref OUTPUT (BLUE) Vcont INPUT (WHITE) SIGNAL OUTPUT LOW VOLTAGE INPUT (RED) LOW VOLTAGE INPUT (GREEN) GND (BLACK) Vref OUTPUT (BLUE) Vcont INPUT (WHITE) +0.5 V to +1.1 V • Adjust the control voltage to adjust the sensitivity....

PHOTOSENSOR MODULE H15460-40 RELATED PRODUCT POWER SUPPLY FOR PHOTOMULTIPLIER TUBE MODULES C10709 The C10709 is the power supply for photomultiplier tube modules which has 5 V input voltage. This unit can provide both the driving voltage and the control voltage. This feature enables users to operate the modules easily. Parameter Output voltage Max. Output current Control voltage A (variable voltage range) Input voltage NOTE: AAdjust within the recommended control voltage range for the photomultiplier tube module being used. Electron Tube Division 314-5, Shimokanzo, Iwata City, Shizuoka Pref.,...