3U PXI Card, TTL Buffer, 80 channels (GX3500 & GX3501)

FPGA PXI Card with 80 Channel TTL Buffer Card

3U PXI Card, TTL Buffer, 80 channels (GX3500 & GX3501)
  • User  programmable PXI card with 80 TTL / LVTTL buffered channels
  • Read / Write control via a software front panel or API
  • Direction control configurable on a per pin basis
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The GX3601 is a 3U PXI FPGA card with 80, TTL buffered channels. The card is comprised of a GX3501 80 channel, TTL buffer expansion module and a GX3500 FPGA card.

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.


Automatic Test Equipment (ATE) and Functional Test
Data Acquisition
Process Control
Factory Automation



GX3500 FPGA Card with GX3501 TTL Buffer Expansion Board
Number of Channels 80 I/O signals. Direction is configurable by software on a per pin basis
Logic Family TTL or LVTTL, 5 V tolerant inputs;
Each group of 40 channels can be jumper configured to support TTL or LVTTL levels
Output Current ±50 mA, sink or source
Input Leakage Current ±5 µA
Power On State All channels are configured as inputs
Input Protection Overvoltage: -0.5 V to 6.5 V (input)


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