Design of the electronics system of neutron dosimeter of a single sphere with multi-counters

HONG Bing; LI Taosheng; ZHANG Zhiyong; YAN Qiang; WANG Chenglong; DONG Liang; SU Zhe

doi:10.11889/j.0253-3219.2014.hjs.37.110401

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Design of the electronics system of neutron dosimeter of a single sphere with multi-counters

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- Design of the electronics system of neutron dosimeter of a single sphere with multi-counters
- NUCLEAR TECHNIQUES Vol. 37, Issue 11, Article number: 110401(2014)
- 作者机构：
  
  1. 哈尔滨工程大学核安全与仿真技术国防重点学科实验室,哈尔滨,150001
  2. 中国科学院核能安全技术研究所,合肥,230000
  3. 北京瑞迪泰克技术有限公司,北京,100093
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2014.hjs.37.110401
  CLC：
- Published：07 November 2014
- 稿件说明：
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HONG Bing, LI Taosheng, ZHANG Zhiyong, et al. Design of the electronics system of neutron dosimeter of a single sphere with multi-counters[J]. Nuclear techniques, 2014, 37(11): 110401
DOI：

HONG Bing, LI Taosheng, ZHANG Zhiyong, et al. Design of the electronics system of neutron dosimeter of a single sphere with multi-counters[J]. Nuclear techniques, 2014, 37(11): 110401 DOI： 10.11889/j.0253-3219.2014.hjs.37.110401.

摘要

针对新型单球多计数器高能中子探头，本文介绍一种满足该探头信号处理要求的核电子学系统设计方案。该电子学系统由放大电路、滤波成形电路、幅度甄别电路、多路脉冲计数器、功能控制电路和电源管理等部分组成，能够满足新型中子剂量（率）仪的功能要求，实现该新型中子剂量（率）仪的信号采集、剂量（率）计算等功能。

Abstract

Background: A single sphere moderator and high sensitivity multi-counter (SMMC) is designed for portable neutron dosimeter. Purpose: In order to use the SMMC for practical application

the design of the electronics system is required to satisfy the requirement of the signal processing of SMMC. Methods: The system was mainly composed of the amplifier circuits

nuclear pulse shaped circuit

pulse amplitude discriminate circuits

instrument control circuit and power management circuit. Each of these components was designed and implemented for experimental evaluation. Results: Experimental results show that this electronic system could work stably and satisfy the design requirements. Conclusion: The electronics system could satisfy the function requirements of the new neutron dosimeter. The main functions of signal acquisition and amplifying

pulse discrimination

counting

instrument control

etc. were realized by the system. Abstract

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