Thissetup with internal pre-amplifier allows direct connection to scintillationdetectors. The bipolar amplifier includes polarity selection and multipleshaping times when using different types of detectors with externalpre-amplifiers. Upper and lower level discriminators may be set for rejectionof unwanted signals. The high voltage supply is rated to +2048V for use withscintillation or proportional detectors. Optional polarity selection isavailable for use with detectors requiring negative bias. A pre-amplifier powerconnector (Â±12V) is included for use with our model external pre-amplifier. A10 sec fixed conversion ADC allows high throughput with dead-time correction.Input selection for pre-amplifier, amplifier or ADC is controlled through computer.A background buffer is included for storing a spectrum when backgroundsubtraction, factional spectrum stripping or overlay is required. Presetsinclude real time, live time and ROI integral. It may be operated as amultichannel scaler for time correlated studies e.g. half-life decay. A specialmossbauer mode is included with MSB output for synchronization of the drivecircuit. X-ray mapping may be performed with the optional ROI output.