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针对CEPC硅像素探测器JadePix及CPRE、VA等芯片的高精度读出系统C_HDDAQ研制

Not scheduled
15m
湘潭大学

湘潭大学

Description

设计了硅像素探测器JadePix-1的高精度读出系统C_HDDAQ,适用于读出时钟频率中等、分辨要求高、读出通道多、总数据量大的半导体探测器读出应用,具有一定的通用性。采用“三段式”架构,读出子板对探测器模拟信号进行低噪声放大;母板提供低噪声电源和多通道、高精度模数信号转换;商用开发板对系统进行控制和数据打包、处理,最终信号经PCIe总线传输到上位机。经测试,读出系统工作稳定,性能良好,系统噪声约3.5 e-,满足JadePix-1读出需求,同时基于此系统对探测器芯片性能进行了一系列测试,得到芯片噪声水平、像素增益、电荷收集效率及功耗等参数,结果满足CEPC CMOS硅像素探测器项目指标。

Primary authors

Dr Hongbo ZHU (IHEP) Mr Ke WANG (Institute of high energy physics,CAS) Xin Shi (IHEP) Prof. Zhen-an LIU (IHEP) Ms na wangna@ihep.ac.cn (IHEP) 嘉 陶 (高能所) Dr 颖 张 (IHEP)

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