A high-precision multi-channel TAC and QAC module for the neutron detection wall

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SHE Qian-Shun, SU Hong, QIAN Yi and YU Yu-Hong. A high-precision multi-channel TAC and QAC module for the neutron detection wall[J]. Chinese Physics C, 2015, 39(2): 026101. doi: 10.1088/1674-1137/39/2/026101
SHE Qian-Shun, SU Hong, QIAN Yi and YU Yu-Hong. A high-precision multi-channel TAC and QAC module for the neutron detection wall[J]. Chinese Physics C, 2015, 39(2): 026101.  doi: 10.1088/1674-1137/39/2/026101 shu
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Received: 2014-04-22
Revised: 1900-01-01
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A high-precision multi-channel TAC and QAC module for the neutron detection wall

    Corresponding author: SHE Qian-Shun,

Abstract: A single width NIM module that includes eight channels of the time-to-amplitude converter (TAC) and the charge-to-amplitude converter (QAC) is introduced in the paper, which is designed for the large neutron wall detector to measure charge (energy) and time interval simultaneously. The module adopts a high precision gated integration circuit to realize TAC and QAC. The input range of TAC is from 30 ns to 1 μs, and the input range of QAC is from 40 pC to 600 pC. The linearity error of TAC is lower than 1.28%, and the time resolution of TAC is less than 0.871%. The linearity error of QAC is lower than 0.81%, and the resolution of QAC is better than 0.936%.

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