Higher density more complex circuit boards complicate testing requirements while smaller more tightly spaced test pads create a wiring challenge for the fixture fabricators, test engineers and maintenance personnel.  Wireless fixtures solve the challenges associated with the nest of wires found in standard long wire fixtures.  Wireless fixtures replace the “nest” of wires with copper traces on a multilayered printed circuit board called a Translator Board or T-Board®.  Circuit Check’s wireless fixture technologies reduce test program debug and maintenance times while easing the ECO process. Thus allowing for the higher level of test performance, the ability to probe smaller denser targets and achieve ultra-high node counts.

Circuit Check’s intelligent automated routing of sensitive signals is controlled during the layout process so pins are placed for optimal signal fidelity. This is accomplished by isolating the signal trace between ground planes, using separate power planes, or adding “pull-up” resistors or “decoupling” capacitors on the signal traces.  The reduced noise from grounding and crosstalk allows faster signal rebound which is important in low voltage applications.  Compared to standard wired fixtures, virtually every aspect of the fixturing experience is improved when selecting wireless fixturing for your next design.

The advantages using wireless fixture technologies by Circuit Check:

  • Cleaner signals permit the test to run at a faster rate. Programming of flash memory runs faster, up to full test system speed.
  • Internal fixture electronics are neater, more compact and are easily designed in during T-Board layout.
  • For proto-type boards, the enhanced performance allows fixture anomalies to be quickly eliminated and debugging to be focused on the UUT.
  • Quicker turn of complex digital tests can be achieved since ground bounce is virtually eliminated.
  • Fixture size is kept to a minimum with a lower profile and is up to 35% lighter in weight than conventional wired fixtures.
  • Wireless fixtures never block resources when compared to short wire fixtures, thus allowing greater test coverage,
  • Since there are no blocked resources, larger UUTs can be placed on smaller fixtures.
  • Duplicate wireless fixtures provide identical test performance due to greater stability, resulting in a significant cost savings.
  • Customers report debug times reduced 10-30%

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In-Circuit Test Fixture Products

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