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Stimulus generation technique for code simulation of FPGA based gamma spectroscopy system


Citation

Abd Rahman, Nur Aira and Ramli, Abdul Rahman and Lombigit, Lojius and Abdullah, Nor Arymaswati and Khalid, Mohd Ashhar (2013) Stimulus generation technique for code simulation of FPGA based gamma spectroscopy system. In: International Nuclear Science, Technology & Engineering Conference 2013 (iNuSTEC2013), 30 Sept.-2 Oct. 2013, Kuala Lumpur, Malaysia. (pp. 77-83).

Abstract / Synopsis

The aim of this study is to develop a software that can systematically generate stimulus required for code simulation (functional and timing) of new digital processors in gamma spectroscopy system. Software must be able to produce stimulus that emulate ADC data of charge sensitive amplifier (CSA) output signal. Signal parameters such as pulse shape, amplitude, pulse width and count rate should be adjustable while allowing options such as pulse pile-up and random pulse events. To fulfill this objective, a pulse generator software PulseGEN has been developed. The software GUI is designed to operate in two modes, Single/Pile-Up Mode and Continuous Random Mode. Its ADC module simulates real-time ADC sampling. The output can be saved as input stimulus to test various functions of digital processors such as pulse height measurements, pile-up detection and correction, as well as random pulse detection and measurement that is similar to the actual real-time measurement. PulseGEN results have been compared and verified against commercial charge sensitive amplifier with NaI detector and NIM pulser.


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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1063/1.4866108
Publisher: AIP Publishing LLC
Keywords: FPGA simulation; Gamma spectroscopy; Input stimulus; Multichannel analyzer; Test bench
Depositing User: Nabilah Mustapa
Date Deposited: 27 Sep 2017 17:20
Last Modified: 27 Sep 2017 17:20
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1063/1.4866108
URI: http://psasir.upm.edu.my/id/eprint/57416
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