Multi-range zero dead time approach on FPGA based wide range neutron monitoring system

This paper describes a field programmable gate array (FPGA) based data acquisition (DAQ) system for neutron monitoring at Tsing-Hua Open-Pool Reactor (THOR). The design goal of this system is to develop a wide range real time signal processing system with low dead time to replace the analog monitoring system. On-line testing has demonstrated that the system has a wide dynamic range over eight decades and showed a low noise fast response result on power and period measurements.