4 Channel Detector Acquisition System

4-Channel Detector Acquisition System (QDAS).  Optimized for PbS & PbSe Infrared Detectors.


Key Features:

  • Can operate 1, 2, 3, or 4 channels
  • Optimized for Pulsed Light source between 5Hz and 150Hz
  • AC coupled amplifier (TIA) configured for detectors between 200K 1Meg (other ranges possible)
  • Low noise TIA with adjustable gain of 100K or 1Meg
  • Completely USB powered
  • Simple TTL trigger input for pulse timing input
  • Auto calibration to find peak signal timing
  • Chopper operation to 1KHz+ possible with altered component values
  • Designed to operate with Pulsed Light source controller board (QDAS-PLE)
  • Small form factor 1.8” square two board stack. QDAS-PBS, analog amplifier board, QDAS-DIG, digital controller board
  • On board nonvolatile memory to remember board settings
  • Optional TE cooler controller board available (QDAS-TEC)
  • Kit Includes:
    • QDAS Quad detector driver board
    • USB power cable
    • Software and Users Manual19

QDAS System Software

  • Windows base software written in .NET
  • Controls QDAS board with up to 4 detectors
    • Plus one QDAS-PLE pulsed light source
  • Absolute and relative signal display modes
  • Acquire data direct to file in binary format
  • Provides conversion of binary data to CSV
  • Built in digital filtering, FIR and IIR Bezel filter
  • User defined digital filter option
  • Compatible with Windows XP and later


  • Gas detection and control
  • Pollution measurements

Power Requirements:

  • 5.0 Volts, USB power