用于BEPCⅡ试验束二维平行板电离室的信号处理系统  

Signal Processing System for Parallel Plate Ionization Chamber at Test Beam of BEPCⅡ

作　　者：陈鹏[1] 李家才[1] 牛卫平[1] 张玉春[1] 吴元明[1] 张少平[1] 

机构地区：[1]中国科学院高能物理研究所,北京100049

出　　处：《核电子学与探测技术》2009年第1期92-95,共4页Nuclear Electronics & Detection Technology

基　　金：国家自然科学基金资助项目(10675138)

摘　　要：为了实现对北京正负电子对撞机试验束装置上的二维平行板电离室电极信号的读出,设计了一套信号处理系统。系统主要包括电荷灵敏前置放大器、主放大器、模拟数字转换插件和PC机4个部分,基于Linux操作系统的数据获取程序记录数字信号并用直方图实时显示。这套信号处理系统操作方便,电子学噪声低,性能稳定。A signal processing system has been designed in order to read out the electrode signals of 2D parallel plate ionization chamber at test beam facility of BEPC Ⅱ. The system mainly includes that charge sensitive pre-amplifier, main-amplifier, analog to digital convertor and personal computer. Digital signals were recorded and displayed real time in histograms using data acquirement program based on Linux operating system. This signal processing system can be operated easily and has lower electronic noise and stable performance.

关 键 词：试验束 平行板电离室 电荷灵敏前置放大器 信号处理系统 直方图 

分 类 号：TN25[电子电信—物理电子学] O571.3[理学—粒子物理与原子核物理]