R1443

• Form Factor: enclosure 19” rack-mount (height: 2U; d: 360 mm)
• Weight 8.8 kg (R1443C)

• Voltage range: 120 or 230 Vac
• Frequency: 50/60 Hz
• Max Power: 2.5 W (32-ch version)

Accepts positive and negative input charge pulses from  detectors and supplies the HV bias to the detector itself

• Input connector: SHV

• AC coupled – 22 MΩ to VBIAS

• Positive or Negative Charge Input polarity

• ESD protected input

• Bias connector: SHV
• HV BIAS input/ Detector bias voltage ±2000 VMax
  • R1443A: HV IN
  • R1143B: HV IN  Section A  HV IN  Section B
  • R1443C: HV IN [0..15] HV IN [i] Bias DETECTOR IN [2i, 2i+1]

• 2 input, one for even and one for odd channels
• Ctest: 1 pF
• 50 Ω Impedance
• 2 BNC connector (per Section)
  • A/B for R1443A (16-ch.)
  • A/B for R1443B (32-ch.)
  • A/B for R1443C (16-ch.)

• Charge sensitive preamplifier
• Charge range ± 0.8 pC
• Sensitivity: 2.25 V/pC (preamp = 1 V/pC + 2nd gain stage = 2.25 V/V, customizable)
• Cross talk < 1%
• Resolution: ~20 keV (with a FSR of 36 MeV) measured with a 2745 digitizer with DPP-PHA FW with trapezoidal filter parameters:
  • Rise Time = 2 us
  • Flat Top = 0.6 us
  • Tau = 0.95 us
• Output signal rise time: <20 ns
• Output signal decay time: 1 µs
• Input residual Noise: about 0.8 fC (5000 e)
• Max output amplitude: 4 V differential on 100 Ω termination
• Outputs on RJ45 connectors

Indoor use:

• Operating Humidity: 10% ± 90% RH non condensing
• Storage Humidity: 5% ± 90% RH non condensing
• Pollution Degree: 2
• Altitude: <2000 m
• Overvoltage Category: II
• EMC Environmental Commercial
• Operating Temperature range: 0°C +50°C
• Storage Temperature range: -10°C +80°C