Digital guide

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NI PXIe-7902

The NI PXIe-7902 is a versatile and high-performance FPGA-based module designed for the PXIe (PCI eXtensions for Instrumentation Express) platform by National Instruments. This module features a high-speed FPGA, providing significant flexibility for custom applications in test and measurement systems.

Detailed content

Technical Specifications

  • FPGA Device:
    • FPGA Model: Xilinx Virtex-5 LX50
    • FPGA Logic Cells: Approximately 50,000 logic cells
    • Memory: 4 MB of DDR2 SRAM
  • I/O Connectivity:
    • I/O Ports: Up to 64 user-configurable I/O lines
    • Connectivity: Includes high-speed serial transceivers and general-purpose I/O
    • Connector Type: Various connectors for I/O expansion, including custom connectors as required by the application
  • Timing and Synchronization:
    • Clock Sources: Onboard clock sources with support for external clock inputs
    • Synchronization: Advanced timing and synchronization capabilities, including external trigger inputs and outputs
  • Bus Interface:
    • PXIe Interface: PXIe interface for integration with other PXIe modules and systems
  • Software Support:
    • Development Environment: NI LabVIEW FPGA Module, Xilinx ISE Design Suite
    • Programming Languages: LabVIEW FPGA, VHDL, Verilog
  • Power Requirements:
    • Voltage: 3.3 V and 5 V provided through the PXIe backplane

Functional Features

  • High-Speed FPGA:
    • Equipped with a Xilinx Virtex-5 LX50 FPGA, offering high performance and large capacity for custom digital signal processing and control applications.
  • Flexible I/O Configuration:
    • Up to 64 I/O lines that can be configured for various functions, allowing for adaptable solutions tailored to specific needs.
  • Advanced Timing and Synchronization:
    • Includes sophisticated timing and synchronization capabilities, supporting precise coordination and integration with other system components.
  • High-Speed Serial Communication:
    • Features high-speed serial transceivers for fast data transfer and communication between modules.
  • Customizable Logic:
    • Users can implement custom digital logic, algorithms, and signal processing directly within the FPGA using NI LabVIEW FPGA or Xilinx design tools.
  • Scalable and Modular:
    • Designed to be part of a scalable and modular PXIe system, facilitating integration with other PXIe modules and expansion as needed.
  • Software Integration:
    • Fully supported by NI LabVIEW FPGA Module, enabling seamless development and deployment of custom FPGA-based solutions.

Application Scenarios

  • Custom Signal Processing:
    • Ideal for applications requiring specialized signal processing, including filtering, modulation, and data analysis.
  • Real-Time Data Acquisition:
    • Useful in real-time data acquisition systems where high-speed processing and low-latency response are crucial.
  • Communication Systems:
    • Can be employed in communication systems for custom protocol implementation, modulation, and demodulation tasks.
  • Embedded Control Systems:
    • Suitable for embedded control applications where FPGA-based logic provides flexibility and high performance.
  • Automated Test Systems:
    • Enhances automated test systems by providing custom test logic, timing, and control functionalities.
  • Research and Development:
    • Supports R&D projects requiring rapid prototyping and implementation of custom digital algorithms and signal processing techniques.

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