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Pickering PXI/PXIe multiplexer module supports MIL-STD-1553 testing
Pickering Interfaces, a supplier of modular signal switching and simulation solutions, has launched a new PXI/PXIe multiplexer module optimised for MIL-STD-1553 testing applications.
With a differential bandwidth of 450 MHz, which far exceeds the requirements of MIL-STD-1553, Model 40/42-739 is available in single or dual 4:1, 8:1 or 16:1 differential configurations.
Using telecommunications-grade electromechanical relays, the 40/42-739 multiplexer has a minimal initial signal path resistance of less than 450 mΩ and features impedance-controlled differential pairs with a single-ended characteristic impedance of 39 Ω and a differential impedance of 78 Ω, within the MIL-STD-1553-specified range of 70-85 Ω. Its compact, single-slot footprint with PXI or PXIe control interface provides flexibility in chassis selection and minimises chassis slot count.
According to Pickering’s Switching Product Manager, Steve Edwards: “Originally introduced in the 1970s, MIL-STD-1553 was intended for use in military aircraft. However, now it is used as the basis for ground-based military vehicles, weapons systems, commercial aircraft and space applications. The 40/42-739 should have many applications in aerospace and military ATE systems, and being designed with a 78 Ω differential impedance the 40/42-739 can potentially support applications for 75 Ω switching such as for video signals.”
The 40/42-739 PXI/PXIe multiplexer module is supported by the Pickering Interfaces’ eBIRST diagnostic tool for ease of maintenance and fault-finding.
The inclusion of a spare Relay will enable customers with applicable SMT rework training to effect on-site repair, minimising system downtime. Pickering also offers a range of standard and custom interconnect accessories supporting the 40/42-739 family.