| 基于PXI总线的高速数字化仪的设计和实现 |
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| 引用本文： | 李楠,徐欣,孙兆林.基于PXI总线的高速数字化仪的设计和实现[J].航空计测技术,2007,27(5):49-52. |
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| 作者姓名： | 李楠 徐欣 孙兆林 |
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| 作者单位： | 国防科技大学电子科学与工程学院 湖南长沙410073 |
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| 摘 要： | 介绍了一种基于PXI总线的高速数字化仪的设计理论和实现方法,从硬件和软件两个方面详细介绍了系统的设计方法.该采集平台基于高速模数转换器ADC08D1500和高性能可编程逻辑器件VIRTEX-4 SX35,可以实现3Gsps的实时采样率和8位的采样精度;板载512M DDR2内存模组,可以实现高速信号的实时存储;接口上采用PXI总线技术,采用PCI9054作为接口芯片;软件开发上采用DLL API的模式,方便不同用户的定制.
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| 关 键 词： | 数字化仪 PXI总线 PCI9054 ADC08D1500 VIRTEX-4 总线技术 数字化 设计方法 Technology Based Digitizer Implementation 用户 模式 软件开发 接口芯片 实时存储 高速信号 模组 内存 采样精度 实时采样率 编程逻辑器件 高性能 高速模数转换器 |
| 文章编号： | 1002-6061（2007）05-0049-04 |
| 修稿时间： | 2007-04-11 |
Design and Implementation of High-speed Digitizer Based on PXI Bus Technology |
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| LI Nan,XU Xin,SUN Zhao-lin.Design and Implementation of High-speed Digitizer Based on PXI Bus Technology[J].Aviation Metrology & Measurement Technology,2007,27(5):49-52. |
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| Authors: | LI Nan XU Xin SUN Zhao-lin |
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| Institution: | National University of Defense Technology, College of Electronic Science and Engineering, Changsha 410073, China |
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| Abstract: | This article introduces a design principle and implementation method of a high-speed digitizer based on PXI bus technology.It describes the system composition from two sides of the hardware and software.The acquisition platform is based on ultra high-speed ADC-ADC08D1500 and high performance FPGA-VIRTEX-4 SX35,and it can realize the 3Gsps real-time sample rate and 8 bit sample accuracy.The on-board DDR2 dram module can realize high-speed data real-time storage.The PCI9054 is used as interface IC for PXI bus.The DLL API mode is used in software development.That is convenient for different user's customizing. |
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| Keywords: | digitizer PXI bus PCI9054 ADC08D1500 VIRTEX-4 |
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