XJTAG supplies a range of high-performance JTAG boundary scan controllers and test extension hardware products. These work with all XJTAG software, offering a fully integrated development environment for rapid test generation, real-time debug, production test execution, In-System Programming.

JTAG Boundary Scan Controllers — to connect your PC to the Unit Under Test (UUT)


XJTAG Expert ADF-2

USB JTAG controller + ‘scope
  • XJLink2 compatible
  • Built-in digital oscilloscope
  • Waveform & function generator

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XJLink2 USB JTAG Controller


USB JTAG controller
  • 4 TAPs, multi-voltage
  • Lightweight & portable
  • Configurable JTAG port

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PXI-XJLink2 USB JTAG Controller


PXI JTAG controller
  • XJLink2 compatible
  • Fits into a PXI rack for LabVIEW, LabWindows or test stand integration

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XJQuad multiport JTAG Controller


4-port version of XJLink2 for volume manufacture testing

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XJLink2 3030 - BST and JTAG programming combined with SPEA 3030 ICT


XJLink2 integration into SPEA 3030 ICT machines

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XJLink2 3070 - BST and JTAG programming combined with Keysight (Agilent) i3070 ICT


XJLink2 integration into Keysight (Agilent) i3070 ICT machines

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XJLink2-CFM JTAG Controller hardware for Teradyne TestStation

XJLink2-CFM & CFMx

XJLink2 integration into Teradyne TestStation ICT machines

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XJLink JTAG Controller for legacy support


Legacy project support
  • Single TAP, single voltage

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Which XJTAG product is right for you?

Features comparison table

Compare capabilities and see what’s new.
Product comparison »

Test Extension Hardware — If you have a specific requirement, please contact us

XJIO I/O Expansion Boards


  • A range of digital & analogue I/Os
  • Switches, LEDs, RS232/UART
  • ‘Black box’ testing for non-JTAG boards

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XJComms card for automotive testing

XJComms Card

  • Test add-on to the XJIO Boards
  • RS485/RS422, CAN, LIN, FlexRay
  • Automotive test applications

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  • Reconfigurable FPGA board
  • Supports SPI, IIC, ICSP, SWD …
  • Supports NOR, NAND flash

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XJTAG XJExtender Hardware

XJExtender Boards

For connecting a remote DUT to a JTAG controller without signal integrity issues. LVDS, up to 10 m distance.

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XJTAG XJIsolator Board for galvanic isolation


Galvanic isolation protection between a DUT and a JTAG controller. Can be easily mounted inside a test fixture.

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XJTAG XJXDP Board for Intel XDP (eXtended Debug Port)

XJXDP Adaptor

Intel® XDP header, low impedence. Provides signal matching to improve JTAG performance. Supports non-XDP applications.

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XJTAG XJLink2-3070 Breakout Board

XJLink2-3070 Breakout Board

Allows the XJLink2-3070 to be powered, used and tested outside of a Keysight (Agilent) 3070 ICT machine.

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XJTAG Surge Protection Board

XJTAG Surge Protection Board

Provides safeguards against excessive inrush current, over-current and over-voltage for the Device Under Test (DUT).

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Adaptor Boards

XJTAG Termination & Protection Board

Termination & Protection Board

20-way 0.1” connectors in and out.
Terminal to central ‘test’ GND point.
Pads for termination / ESD protection.

Order code: XJTAG-XJA-0020.
Schematic diagram

XJTAG Signal Breakout Board

Signal Breakout Board

Allows oscilloscope or test meter access to the signals used when connecting the XJLink2 JTAG Controller to a DUT.

Order code: XJTAG-XJA-0080.
Schematic diagram

XJTAG Splitter / Signal Integrity Board

Splitter / Signal Integrity Board

20-way 0.1” into two 20-way 0.1” connectors. Improves signal integrity by putting a ‘hard ground’ between each active signal.

Order code: XJTAG-XJA-0030.
Schematic diagram

Compact XJTAG Splitter / Signal Integrity Board for XJQuad

Splitter / Signal Integrity Board SFF

20-way 0.1” into two 20-way 0.1” connectors. ‘Hard grounds’ between active signals. Small Form Factor. Fits XJQuad.

Order code: XJTAG-XJA-0031.
Schematic diagram

XJTAG Xilinx Adapter Board

Xilinx Adaptor

20-way 0.1” connector to a standard Xilinx 14-way 2 mm connector.

Order code: XJTAG-XJA-0040.
Schematic diagram

XJTAG 0.1” to 2 mm Adapter Board

0.1” to 2 mm Adaptor

20-way 0.1” connector to a 20-way 2 mm connector.

Order code: XJTAG-XJA-0050.
Schematic diagram

XJTAG 2x 10-way 2 mm Adapter Board

2x 10-way 2 mm Adaptor

20-way 0.1” connector into two 10-way 2 mm connectors.

Order code: XJTAG-XJA-0010.
Schematic diagram

XJTAG 2x 10-way 0.1” Adapter Board

2x 10-way 0.1” Adaptor

20-way 0.1” connector into two 10-way 0.1” connectors.

Order code: XJTAG-XJA-0100.
Schematic diagram

For support, or for a quote on any part of the XJTAG system, please contact us.

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