Functional Test Fixtures

Actuation Methods for Functional Test Systems

Functional test typically applies full operational power to a final product or a loaded printed circuit board in order to determine if the Product/ PCB performs functions as designed. This type of test often involves custom built test equipment and custom test fixturing. Circuit Check supports all forms of functional test strategies within its Signature Series functional test fixtures.

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Drop-In Functional Test Fixtures

Circuit Check, Inc.

Circuit Check’s drop-in base fixture and replaceable personalized plates are the ideal solution where production volumes are lower and the need to change from one fixture and test program to another occurs quickly. Interchangeable test fixture drop-ins enable the same test system to be quickly reconfigured with different tooling and probe patterns for different products. This maximizes equipment re-use, while minimizing the cost for each new test. With Circuit Check’s base fixture and drop-ins, the wiring and test electronics are not disturbed, thus ensuring configuration consistency each time the system is re-tooled.

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Flash Programming for Functional Test Systems

Circuit Check, Inc.

Flash programming stations allow you to offload flash programming from functional test systems, increasing test throughput while improving capital utilization. Circuit Check flash programmer fixtures support multiple programmer types and multiple I/O configurations.

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Topside Probing for Functional Test Fixtures

Circuit Check, Inc.

Circuit Check matches top side test targets to your specification and needs. The Signature Series pneumatic drive fixture is the industry standard for precision, accuracy and repeatability.

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Multi-Stage Functional Test Systems

Circuit Check, Inc.

Circuit Check’s bi-level and multi-stage fixtures combine multiple test levels in a single fixture using controlled actuation and selected probe travels for powered and unpowered tests.

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Through Connector Functional Test Fixtures

Circuit Check, Inc.

Circuit Check is a pioneer in the development and implementation of access mechanisms enabling testing of circuits through on-board connectors.

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Wireless Functional Test Fixtures

Circuit Check, Inc.

Circuit Check’s wireless fixture technologies reduce debug time, simplify ECO’s and reduce maintenance. This allows for the highest test performance, ability to probe denser smaller targets and achieve ultra-high node counts. Higher density more complex circuit boards complicate testing requirements. 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 long wire fixtures. Wireless fixtures replace the “nest” of wires with copper traces on a multilayered printed circuit board called a Translator Board (T-Board).

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Environmental Functional Test Fixtures

Circuit Check, Inc.

Circuit Check builds test fixtures for Halt/Hass testing whether a fixture is used within an environmental chamber or is a standalone fixture. Circuit Check has the capability to manufacture these types of fixtures.

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In-Line Functional Test Fixtures

Circuit Check, Inc.

Add an advantage to in-line production with fast change over interchangeable fixturing. Circuit Check’s in-line board handlers and in-line board handler fixturing exceed the high performance requirements associated with high-volume production. Circuit Check supports in-line fixturing for all the leading handlers.

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