SPACECRAFT ESD GENERATORS
Montena develops and manufactures in Switzerland pulse generators for testing the susceptibility of space equipment to wire-coupled electrostatic discharges
Improved test reproductibility thanks to injection probe
The ESD test method, according to the standard ECSS-E-ST-20-07C §5.4.12 — commonly used in the space industry— has shown weaknesses in reproducibility. The experience has shown that test results can vary from one test laboratory and setup to another. This entails developing an improved methodology and hardware to address the ECSS test shortcomings. The new and alternative test method is now described in §5.4.13 of the ECSS-E-ST-20-07C Rev.2 (3-Jan-2022).
Montena’s PESD-ECSS-12K test system consists of: > A pulse generator (replacing the spark gap switch defined in the former test method), > A current injection probe, to be installed on the cable bundle under test. Tests performed with this new setup present the same severity as the original ECSS wire injection method, so they are approved as equivalent.
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