MIL-STD-461

MIL-STD-461[1] is a United States Military Standard that describes how to test equipment for electromagnetic compatibility.

Various revisions of MIL-STD-461 have been released. Many military contracts require compliance to MIL-STD-461E. The latest revision (as of 2015) is known as "MIL-STD-461G".[2]

While MIL-STD-461 compliance is technically not required outside the US military, many civilian organizations also use this document.[3]

Electromagnetic compatibility test labs typically set up their anechoic chamber to comply with MIL-STD-461. Test labs attempt to comply with this standard for two reasons:

  • Even if no potential customer requires MIL-STD-461 compliance, if a device complies with (or is very close to complying to) the (relatively strict) MIL-STD-461, then it is certain to comply with the (relatively looser) FCC Part 15 and EMC standards of other countries, and it is simpler to run one test than to run a separate test for each one.
  • Even if only a few of the potential customers require MIL-STD-461, it's simpler to design a single commercial off-the-shelf product that complies with the most strict standard—MIL-STD-461—rather than trying to track several versions of a product that each comply with separate standard.

In 1999, MIL-STD-462 was combined with MIL-STD-461D into MIL-STD-461E.[4]

References

  1. ↑ "Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment"
  2. ↑ "MIL-STD-461 Testing" Archived 2012-02-20 at the Wayback Machine.
  3. ↑ "Defense Standards"
  4. ↑ "Why is MIL-STD-461 an important COTS feature for our military?" Archived 2011-08-07 at the Wayback Machine.

Further reading

  • Mazzola, S. (2009). "MIL-STD-461: The basic military EMC specification and it's evolution over the years". 2009 IEEE Long Island Systems, Applications and Technology Conference. pp. 1–9. doi:10.1109/LISAT.2009.5031566. ISBN 978-1-4244-2347-7.
  • Pierce, James D. (2009). Electromagnetic Compatibility (EMC) Requirements for Military and Commercial Equipment (Master's thesis.). Monterey, CA: Naval Postgraduate School.
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