Detector Readout Systems
mesytec MDS-8 is an 8 channel spectroscopy amplifier with integrated timing filter amplifier in a 1/12 wide NIM module.
It provides an adjustable gain of 1 to 200, and 3 shaping times.
Features
  • 8 differential Lemo inputs, can be used single ended
  • Input resistance 50 Ohm (= 100 Ohm differential)
  • 3 shaping times: 0.25, 0.5, 1 us (sigma)
  • Passive baseline restorer
  • Adjustable gain and PZ compensation at front panel
  • Individual outputs:
    • +10 V shaped pulse
    • -2 V timing filter output
  • Common outputs:
    • sum of shaping outputs
    • sum of timing filter outputs
Technical Data

Shaper inputs
  • internally terminated with 50 Ohm
    (differential use 100 Ohm)
  • positive and negative input
  • adjustable gain range: 1...200
    (Factor 20 with 10 turn potentiometer plus factor 10
    by sensitivity jumpers)
  • Shaper output amplitude: max 10 V (into 1 kOhm)
  • Shaping time switch selectable for each channel:
    0.25, 0.5, 1 us (sigma)
  • Integral nonlinearity <2*10^-4
  • Input noise: (shaping times Sigma)
    For 0.25, 0.5, 1 us: 20 u Vrms @ gain = 100
  • Offset: max 3 mV



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