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From Bob Helsel, Editor of the PXI Newsletter:


Welcome to the January 2019 edition of the PXI Newsletter.  Our intent is to educate and inform you about how the PXI standard is being used in modular test systems for a wide variety of industries.

In the New PXI Products section, we are showcasing PXI products recently released by members of the PXI Systems Alliance.

Our thanks go to the PXI Systems Alliance, the sponsor of this month's issue.

Visit http://www.pxisa.org for more information.

 

Test Adapters/Test Fixtures to PXI Instrumentation


Submitted by MAC Panel

Functional testing of electronic assemblies typically involves three elements:  the device under test, test equipment, and a form of mass interconnect to allow for interchangeability and reuse.
It is imperative that the test adapter, commonly called a test fixture, mass interconnect and instrumentation signal performance capabilities match.  In this article, we will review types of test fixtures commonly used for Functional Test systems.

Types of Test Fixtures:

There are various forms of fixture construction for PXI based test systems. Connection to the DUT may be made either using the connectors that are ordinarily present on the product or using test probes that make contact with identified test points.

Connector based Fixtures:
When the fixture includes connectors that mate with connectors on the DUT, the portion of the connector on the fixture must allow for repeated engagement to ensure long-life and measurement repeatability.  The highly durable APEX cabled connector hosts male contacts that are 300% stronger than industry standard, while supporting 5 amp current with 20awg wire (Figure 2)


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Thanks to all our readers.
Bob Helsel, Editor
www.pxisa.org


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New PXI Products

The PXI platform continues its explosive growth with many new product introductions. New products introduced in the last three months include (listed in the order received):

Marvin Test Solutions Expands User-Programmable PXIe FPGA Product Line
The GX3800e is a user configurable, FPGA-based, 3U PXI Express card which supports the 400 pin, VITA 57.1 FMC interface standard. The card employs the Altera Cyclone V GX FPGA, which supports xcvr data rates up to 3.125 Gb/s and features over 300,000 logic elements and 12.2 Kb of memory.  Users can design their own custom interface module or select from a wide range of commercial off-the-shelf FMC modules which can then be integrated with the GX3800e - creating customized instrumentation for analog or digital test applications.  

Coherent Solutions O2EPXIe – Modular Optical-to-Electrical Converter
The O2EPXIe is a high bandwidth, broadband OE converter designed for the PXI Platform. Available in a range of configurations; choose from 1 or 2 channels, AC or DC coupling and various conversion gain and operating wavelength ranges.

Sundance DSP PXIe800Z
The PXIe800Z is based on Xilinx Zynq UltraScale+ MPSoC FPGA family. Depending on the choice of Zynq UltraScale+ FPGA it can be used for High-Performance Computing (HPC), digital communication or image processing, including AR/VR applications. 

Keysight PXI Vector Signal Analyzers
For design validation and manufacturing applications that require fast, high quality measurements where quality control, product conformance and test optimization are essential. With a small footprint, speed, scalability repeatability, and the flexibility to configure a solution with a shared processor, frame/chassis, display, and interface, PXIe vector signal analyzers provide the building blocks for your single or multi-channel modular test solution.

 

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