基于VXI总线的四路门控积分器模件的研制  

Four-channel gated integrator system based on VXI bus

作　　者：陆靖平[1] 虞孝麒[1] 龚达涛[1] 刘天宽[1] 万长春[1] 

机构地区：[1]中国科技大学近代物理系,安徽合肥230027

出　　处：《强激光与粒子束》2001年第5期578-582,共5页High Power Laser and Particle Beams

基　　金：国家 8 63惯性约束聚变领域资助课题 (863 -4 16-3 )

摘　　要：介绍了一个基于标准总线 VXI的四路门控积分器模块插件。在四路独立的纳秒门控积分电路的基础上 ,采用 VXI寄存器基接口实现对各路门控积分器的数据采集和控制 ,采用 Labwin-dows/CVI编写了数据采集系统软件 ,从而完成了纳秒级门控积分器的实用化的基本工作。The design of a four-channel gated integrator system based on VXI bus containing functional circuit and interface circuit is introduced. It is a registered device which is configure registers and operational registers. This module is used to integrate the output current of X-ray diodes. The software of the data acquisition system, which has characters of virtual instrumentation, is also introduced. In electronic test, the system has good performance. The gate width in which the current is integrated is 10-12 ns, integral nonlinearity is less than 1% and there is hardly interference between channels. The maximum error between the results of this module and of oscilloscope is less than 2% of the scale range of the gated integrators. Through these tests, the module implements normalization, anti-jamming and practicality.

关 键 词：门控积发器 VXI总线 接口 软X射线 惯性约束聚变 数据采集 

分 类 号：TP342.25[自动化与计算机技术—计算机系统结构]