At Microelectronicos we offer you our automated test fixture solutions for PCBA’s that require to be tested as a sub-assembly units before going into the final product. Our team of engineers have years of experience designing test fixtures for pcbas (printed circuit board assembly) for products that have gone into the market; automated test fixtures are mostly used in highly regulated industries like medical and aerospace to name a few.
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Bring us your test requirements and board documentation (schematics, Gerber files, 3D Files, firmware if necessary) and we will provide you with a quote of our test fixture development services.
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Our typical solution for PCBA test fixture is shown in the Figure 3. We used a mixed-approach of off-the-shelf bench instruments (like oscilloscopes, function generators, spectrum analyzers, programable power supplies, etc.) which in general tend to be low-cost in addition to the typical PXI chassis rack configured with DAQ boards and other dedicated instrumentation capabilities (relay switching, DMM, high-resolution ADC’s and DAC’s, etc.) . This architecture allow us to get the most of two worlds (off-the-shelf instruments vs PXI devices) in different electronics test scenarios with the purpose of achieving configuration flexibility, high performance and low cost.
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We will develop custom interface boards with spring-type pins (a.k.a “pogo-pins”) that will get contact with the board under test and access the test points. Our interface board will provide power to the DUT and also perform the necessary signal conditioning so the test points can be correctly routed to the appropriate test instrument.
An example of such board is shown in figure 5 (conditioning board on blue and DUT board on green):
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One of the key elements of a successful test fixture is the interface with the PCBA DUT (Device Under Test). Our custom Pogo-pin Mezzanine board will interface with your PCBA and perform all the signal conditioning necessary to interface your device with the appropriate test instruments. We also have included key elements in the design like:
Click here to learn more about our complete test rack solution for PCBA test fixtures. Please contact us to discuss your Automated PCBA Test needs!
engineering@microelectronicos.com ________Phone: (949) 2261622