A dual-parameter multichannel analyzer using a personal computer

The design of a practical system for measuring two-parameter signals is reported. To obtain constantly changing energy spectral of nuclear reactor assemblies due to repeated insertion of pulsed neutron sources, the simultaneous acquisition of time and energy data is needed. A computer-based dual-parameter multichannel pulse-height analyzer was developed. The analyzer uses a personal computer, two analog-to-digital converters (ADCs), and a parallel interface board for handling these signals. The system is simple to operate, and because the memory size and coincidence resolution time can be changed by software operations, it is highly flexible