Digital gamma-ray spectroscopy based on FPGA technology

被引:49
作者
Bofic, M [1 ]
Drndarevic, V [1 ]
机构
[1] Inst Nucl Sci Vinca, Dept Elect, YU-11001 Belgrade, Yugoslavia
关键词
digital pulse processing; pulse height; spectroscopy; pile-up; FPGA devices;
D O I
10.1016/S0168-9002(01)01925-8
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A digital pulse processing system convenient for high rate gamma-ray spectroscopy with NaI(Tl) detectors has been designed. The new programmable logic device has been used for implementation of dedicated high-speed pulse processor, as the central part of the system. The processor is capable to operate at the speed of fast ADC, preserving maximum throughput of the system. Special care has been taken to reduce the distortion of energy spectrum caused by pile-up at high-count rates. The developed system is highly flexible, and the parameters of its operation can be changed in software. The performance of the system was tested for high counting rate of 400 000 s(-1). (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:761 / 766
页数:6
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