基于FPGA的高速数据采集系统  

High-Speed Data Acquisition System Based on FPGA

作　　者：何鹏[1] 

机构地区：[1]中国电子科技集团公司第四十一研究所,山东青岛266555

出　　处：《科技信息》2010年第11期96-97,共2页Science & Technology Information

摘　　要：介绍一种基于高性能FPGA的高速数据采集系统,探讨了高速数据采集、存储和传输的技术难点。该系统采用双通道A/D进行采样,每通道采样频率高达250MHz,使用高性能FPGA芯片进行通道控制、数据处理和接口设计,具有功能强大的前端调理电路,可以选择匹配阻抗和耦合方式、具有增益自动调整功能,满足大范围信号的测量要。具有PXI接口,可方便组成测试系统。This artie introduces a High-Speed Data Acquisition System Based On FPGA, discussed the principle and implementation method of high speed data acquiring,saving and transmitting. The system has two separate channels of 250 MS/s sampling rate. The system use high- performance FPGA to achieve channel controlling, data processing and connect to other circuits. It owns the high-power regulation circuit which can choose matched impedance and coupled modes. It can adjust gain automatically. This data acquisition card can be built to test system with other PXI instruments.

关 键 词：FPGA 高速数据采集 LVDS PXI总线 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]