PXI matrix modules have up to 6,144 crosspoints

September 19, 2019 //By Nick Flaherty
High density switching modules from Pickering Interface enable a complete functional ATE in a 3U PXI chassis
High density switching modules from Pickering Interface enable a complete functional ATE in a 3U PXI chassis

Pickering Interfaces has launched a 0.5A ultra-high-density PXI matrix module family that delivers up to 6,144 crosspoints with a switching density 39% higher than other boards.

The 40-558 allows a complete functional ATE system to be housed in a single 3U PXI chassis, and the integrated BRIC design saves on valuable chassis slots compared to standard PXI matrix modules.

The modules are available in two, four or eight-slot widths for matrix sizes between 64x16 and 1,008x6. The modules are fitted with high quality, ruthenium-sputtered reed relays – manufactured by sister company, Pickering Electronics – which feature a very long life with good low-level switching performance and excellent contact resistance stability. Automatic isolation relay switching maximizes bandwidth and reliability. Spare relays are included with the module to facilitate easy maintenance with minimum downtime.

The BRIC’s internal high performance screened analog backplane minimizes the complexity and cost of cable assemblies; Pickering has a range of standard cables available for the 40-558 and can construct custom cables for all its PXI modules. A choice of 6, 8, 12 and 16 pole analog bus widths and dual analog bus options are available.

“This is industry’s highest density reed relay PXI solution,” said Keith Moore, CEO at Pickering Interfaces. “By only using the highest quality Pickering instrument-grade reed relays, we are able to guarantee our matrices for three years. Engineers can be sure they are choosing a high reliability product to match their high reliability applications.”

The 40-558 BRIC PXI matrix modules can be operated in Fast Mode via the VISA driver with multiple relay operation in one command or provide the convenience and simplicity of IVI drivers. Dual analogue bussing for the narrower matrix options enables completely separate matrices within a single module for parallel testing.

The 40-558 PXI matrix modules are aimed at automotive and aerospace ECU and semiconductor package testing. Accessories include Pickering’s Built-in Relay Self-Test (BIRST) and eBIRST Switching System Test tools which provide a quick


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