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首页 > PXI 硬件 > 所有PXI FPGA仪器 > GX3700

GX3700:FPGA PXI 高性能数字I/O板卡

  • User configurable, on-board Altera Stratix III FPGA
  • No proprietary FPGA design tools required
  • Compatible with Altera's free, web-based Quartus II design tools
  • 160 digital I/O signals available for user specific applications
  • 700 MHz digital I/O clock rate
  • Supports user defined expansion boards for custom interfaces
 

Description

The GX3700 is a user configurable, FPGA-based, 3U PXI card which offers 160 digital I/O signals which can be configured for single-ended or differential interfaces. The card employs the Altera Stratix  III FPGA, which can support SerDes data rates up to 1.2 Gb/s, digital I/O clock rates of 700 MHz, and features over 45,000 logic elements and 1.836 Kb of memory. The GX3700 is supplied with an integral expansion board providing access to the FPGA’s 160 I/Os. Alternatively, users can design their own custom expansion cards for specific applications - eliminating the need for additional external boards which are cumbersome and physically difficult to integrate into a test system. The design of the FPGA is done by using Altera’s free Quartus II Web Edition tool set. Once the user has compiled the FPGA design, the configuration file can be loaded into the FPGA directly or via an on-board EEPROM.  

Features

The GX3700’s digital I/O signals are 5 V tolerant. Logic families supported by the I/O interface include LVTTL, LVDS and LVCMOS. The FPGA device supports up to four phase lock loops for clock synthesis, clock generation and for support of the I/O interface. An on-board 80 MHz oscillator is available for use with the FGPA device or alternatively, the PXI 10 MHz clock can be used as a clock reference by the FPGA.

The FPGA has access to all of the PXI bus resources including the PXI 10 MHz clock, the local bus, and the PXI triggers; allowing the user to create a custom instrument which incorporates all PXI bus resources. Control and access to the FPGA is provided via the GX3700's driver which includes DMA and interrupt support tools for downloading the compiled FPGA code as well as register read and write functionality.

 

Programming and Software

The board is supplied with the GXFPGA library, a software package that includes a virtual instrument panel, and a Windows 32/64-bit DLL driver library and documentation. The virtual panel can be used to interactively program and control the instrument from a window that displays the instrument’s current settings and status. In addition, interface files are provided to support access to programming tools and languages such as ATEasy, LabView, LabView/Real-Time, C/C++, Microsoft Visual Basic?, Delphi, and Pascal. An On-Line help file and PDF User's Guide provides documentation that includes instructions for installing, using and programming the board.
A separate software package - GtLinux - provides support for Linux 32/64 operating systems.

Applications

  • Automatic Test Equipment (ATE)
  • Semiconductor test
  • Custom interface emulation
  • Custom instrumentation
  • SerDes interfaces
 
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