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GEM400: A front-end chip based on capacitor-switch array for pixel-based GEM detector
Li HS(李怀申); Jiang XS(江晓山); Liu G(刘刚); Li, HS; Jiang, XS; Liu, G; Wang, N; Sheng, HY; Zhuang, BA; Zhao, JW; 王娜(实); Sheng HY(盛华义); Zhuang BA(庄保安); Zhao JW(赵京伟)
2012
发表期刊JOURNAL OF INSTRUMENTATION
卷号7页码:C03039
摘要The upgrade of Beijing Synchrotron Radiation Facility (BSRF) needs two-dimensional position-sensitive detection equipment to improve the experimental performance. Gas Electron Multiplier (GEM) detector, in particular, pixel-based GEM detector has good application prospects in the domain of synchrotron radiation. The read-out of larger scale pixel-based GEM detector is difficult for the high density of the pixels (PAD for collecting electrons). In order to reduce the number of cables, this paper presents a read-out scheme for pixel-based GEM detector, which is based on System-in-Package technology and ASIC technology. We proposed a circuit structure based on capacitor switch array circuit, and design a chip GEM400, which is a 400 channels ASIC. The proposed circuit can achieve good stability and low power dissipation. The chip is implemented in a 0.35 mu m CMOS process. The basic functional circuitry in ths chip includes analog switch, analog buffer, voltage amplifier, bandgap and control logic block, and the layout of this chip takes 5mm x 5mm area. The simulation results show that the chip can allow the maximum amount of input charge 70pC on the condition of 100pF external integrator capacitor. Besides, the chip has good channel uniformity (INL is better than 0.1%) and lower power dissipation.
关键词CMOS readout of gaseous detectors Front-end electronics for detector readout
学科领域Instruments & Instrumentation
DOI10.1088/1748-0221/7/03/C03039
收录类别SCI
WOS记录号WOS:000304015300039
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224724
专题实验物理中心
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GB/T 7714
Li HS,Jiang XS,Liu G,et al. GEM400: A front-end chip based on capacitor-switch array for pixel-based GEM detector[J]. JOURNAL OF INSTRUMENTATION,2012,7:C03039.
APA 李怀申.,江晓山.,刘刚.,Li, HS.,Jiang, XS.,...&赵京伟.(2012).GEM400: A front-end chip based on capacitor-switch array for pixel-based GEM detector.JOURNAL OF INSTRUMENTATION,7,C03039.
MLA 李怀申,et al."GEM400: A front-end chip based on capacitor-switch array for pixel-based GEM detector".JOURNAL OF INSTRUMENTATION 7(2012):C03039.
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