Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556
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Nuclear Science and Techniques ›› 2012, Vol. 23 ›› Issue (2): 114-117 doi: 10.13538/j.1001-8042/nst.23.114-117

• NUCLEAR ELECTRONICS AND INSTRUMENTATION • Previous Articles     Next Articles

An automatic gain adjustment Campbell integrator for neutron flux detection in ITER

CAO Hongrui1,* LI Shiping1 XU Xiufeng1 TANG Shibiao1 YANG Jinwei2 YANG Qingwei2 YIN Zejie1   

  1. 1State Key Lab Particle Detect & Elect, University of Science and Technology of China, Hefei 230026, China 2Southwestern Institute of Physics, Chengdu 610041, China
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CAO Hongrui, LI Shiping, XU Xiufeng, TANG Shibiao, YANG Jinwei, YANG Qingwei, YIN Zejie. An automatic gain adjustment Campbell integrator for neutron flux detection in ITER.Nuclear Science and Techniques, 2012, 23(2): 114-117     doi: 10.13538/j.1001-8042/nst.23.114-117

Abstract:

Neutron Flux Monitor, a key diagnostic system in International Thermonuclear Experimental Reactor, may provide for reading a series of important parameters in fusion reaction process. We designed an important part of its main electronic system - Automatic Gain Adjustment Campbell Integrator (AGACI), expanding the detecting neutron counting rate of 104-108 cps (counts per second). The total gain of AGACI in five files is divided into 1, 10, 100, 1000, and 10 000 times, and can be automatically adjusted. The linear correlation coefficient (R) is more than 0.9999 in AGACI working range.

Key words: AGACI, Campbell integrator, Automatic gain adjustment, NFM

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