基于FPGA的8通道脉冲波形分析器的研制

李继承; 刘聪展; 张翼飞; 赵建领; 阎博

doi:10.11889/j.0253-3219.2017.hjs.40.090401

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基于FPGA的8通道脉冲波形分析器的研制

核电子学与仪器 | 更新时间：2021-05-19

- 基于FPGA的8通道脉冲波形分析器的研制
- Development of a FPGA-based 8-channel pulse wave analyzer
- 核技术 2017年40卷第9期文章编号：090401
- 作者机构：
  
  1.云南大学昆明 620215
  2.中国科学院高能物理研究所粒子天体物理重点实验室北京 100049
  3.中国科学院大学北京 100049
- 作者简介：
  
  [ "李继承, 男, 1989年出生, 2016年于云南大学获硕士学位, 研究领域为仪器电子学", "LI Jicheng, male, born in 1989, graduated from Yunnan University with a master's degree in 2016, focusing on instrument electronics" ]
  刘聪展, E-mail:liucz@ihep.ac.cnLIU Congzhan, E-mail:liucz@ihep.ac.cn
- 基金信息：
  
  国家自然科学基金(111167302428)
- DOI：10.11889/j.0253-3219.2017.hjs.40.090401
  中图分类号： TL822.4
- 收稿日期：2017-03-27，
  
  修回日期：2017-05-14，
  
  纸质出版日期：2017-09-10
- 稿件说明：
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李继承, 刘聪展, 张翼飞, 等. 基于FPGA的8通道脉冲波形分析器的研制[J]. 核技术, 2017,40(9):090401

Jicheng LI, Congzhan LIU, Yifei ZHANG, et al. Development of a FPGA-based 8-channel pulse wave analyzer[J]. Nuclear techniques, 2017, 40(9): 090401
李继承, 刘聪展, 张翼飞, 等. 基于FPGA的8通道脉冲波形分析器的研制[J]. 核技术, 2017,40(9):090401 DOI： 10.11889/j.0253-3219.2017.hjs.40.090401.

Jicheng LI, Congzhan LIU, Yifei ZHANG, et al. Development of a FPGA-based 8-channel pulse wave analyzer[J]. Nuclear techniques, 2017, 40(9): 090401 DOI： 10.11889/j.0253-3219.2017.hjs.40.090401.

摘要

设计了一个8通道的脉冲波形分析器。此系统以双现场可编程门阵列（Field Programmable Gate Array，FPGA）为核心，板载大容量同步双端口随机存取存储器（Random-Access Memory，RAM），并行8通道96 MHz高速采样模数转换器（Analog-to-Digital Converter，ADC），能够同时对8路脉冲波形进行采样分析，得到脉冲时间间隔谱、脉冲幅度谱和脉冲宽度谱。该设备ADC以10.4 ns的采样间隔采集脉冲数据，通过通用串行总线（Universal Serial Bus，USB）2.0与电脑实现数据上传，并借助上位机进行数据的实时显示。该设备已成功运用于硬X射线调制望远镜（Hard X-ray Modulation Telescope，HXMT）卫星高能主探测器的电性测试，并能够广泛适用于核辐射研究领域。

Abstract

Background

The hard X-ray modulation telescope (HXMT) is devoted to performing an X-ray all-sky imaging survey

and carrying out pointed observations of the celestial bodies such as black-hole with high sensitivity. The 18 high energy X-ray detectors (HEDs) are the main payload on the HXMT.

Purpose

This study aims to design a new type of multi-channel pulse wave analyzer for hard X-ray for the HEDs.

Methods

Based on field programmable gate array (FPGA) technology

the pulse wave analyzer is structured with two FPGAs

eight high speed acquisition analog-to-digital converters (ADCs) (with 96-MHz clock driver)

32 K×16 dual port random-access memory (RAM) and one universal serial bus (USB) 2.0. It can deal with 8-channel input pulses in parallel to obtain pulse height

width and reaching time from each channel. All those data can be displayed in real time on computer.

Results

It is confirmed experimentally that the pulse wave analyzer performance is comparable with the MCA8000D in energy spectral acquisition.

Conclusion

This pulse wave analyzer has been successfully used in the HEDs performance testing

and can be used widely in the radiation detection.

关键词

Keywords

references

张翼飞. HXMT硬X射线探测器性能研究[D]. 北京: 中国科学院高能物理研究所, 2011. http://www.irgrid.ac.cn/handle/1471x/376716?mode=full&submit_simple=Show+full+item+record

ZHANG Yifei. Study of performance of HXMT hard X-ray detector[D]. Beijing:Institute of High Energy Physics, Chinese Academy of Sciences, 2011.

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李继承. HXMT高能主探测器探头地面测试设备研制[D]. 云南: 云南大学, 2016. http://cdmd.cnki.com.cn/Article/CDMD-10673-1016201009.htm

LI Jicheng. Design and performance of the on-ground measurement system for the HED on board HXMT[D]. Yunnan:Yunnan University, 2016.

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