Abstract
Photomultiplier tubes (PMTs) act main roles in the particle physics experiments, especially in high energy physics and nuclear related experiments. Traditional data acquisition system uses the discrete standard pulse shaping and FADC plugin boards which are based on NIM or VME system to implement the digitalization and readout function for photomultiplier tubes. In some applications, there are few PMTs used in whole system, or in some distributed applications, long distance analog cables with high voltage power cables are not allowed due to the larger distributed space. The all in one integrated readout electronics are designed for neutron scintillator detector which runs in the China Jinping underground Laboratory (CJPL). The detector's original design is using two terminals readout scheme and two channels pulse shaping and one FADC plug-in VME boards combined with a trigger logic board for anti-coincidence. All of the pulse shaping analog circuit, analog to digital converter, real time trigger scheme, data buffering and transmission are all integrated in the all in one integrated readout electronics with power over Ethernet supported. Only one Gigabit unshielded twisted pair cable is needed for over 700 Mbps data throughput and more than 10W power.
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