MIL-STD-461
The MIL-STD-461 Standard, developed by the United States Department of Defense (DoD), was first published in 1967 and has since become the primary electromagnetic compatibility (EMC) standard for qualification testing of military equipment. Over time, this standard has also formed the basis for numerous industrial and commercial applications and covers all operational domains of the armed forces, including land, air, and naval forces.
The MIL-STD-461 standard defines interface requirements and verification criteria for controlling electromagnetic interference (EMI) emissions and electromagnetic compatibility (EMC) immunity characteristics of electronic, electrical, and electromechanical equipment and subsystems. Such equipment may be used either as standalone units or as integral components of larger systems.
While the most current requirement set for MIL-STD-461 testing is defined by the MIL-STD-461G procedure, MIL-STD-461E and MIL-STD-461F procedures are also implemented at our facility.
MIL-STD-461 tests encompass a wide range of test procedures, including conducted and radiated emissions and susceptibility tests, RF conducted susceptibility evaluations, and transmission modulation analyses, all aimed at assessing resistance to electromagnetic disturbances and radio frequency (RF) interference.
In accordance with the MIL-STD-461E/F/G military test standard, emissions from electronic devices are measured via conducted and radiated paths. In addition, electromagnetic interference is applied to the device through conducted and radiated means, and the resulting effects on the device are observed and evaluated through measurements.
Within this scope, the objective is to measure emission levels generated by an electrical or electronic product and to verify its operational performance and electromagnetic immunity level in the presence of other nearby electrical or electronic systems.
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Equipment and subsystems installed on, located on, or launched from the platforms or installations listed below | Applicability of Requirements | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CE101 | CE102 | CE106 | CS101 | CS103 | CS104 | CS105 | CS109 | CS114 | CS115 | CS116 | CS117 | CS118 | RE101 | RE102 | RE103 | RS101 | RS103 | RS105 | |
| Surface Ships | A | A | L | A | S | L | S | L | A | S | A | L | S | A | A | L | L | A | L |
| Submarines | A | A | L | A | S | L | S | L | A | S | L | S | S | A | A | L | L | A | L |
| Aircraft, Army (Including Flight Line) | A | A | L | A | S | S | S | A | A | A | L | A | A | A | L | A | A | L | |
| Aircraft, Navy | L | A | L | A | S | S | S | A | A | A | L | A | L | A | L | L | A | L | |
| Aircraft, Air Force | A | L | A | S | S | S | A | A | A | L | A | A | L | A | |||||
| Space Systems (Including Launch Vehicles) | A | L | A | S | S | S | A | A | A | L | A | L | A | ||||||
| Ground, Army | A | L | A | S | S | S | A | A | A | S | A | A | L | L | A | ||||
| Ground, Navy | A | L | A | S | S | S | A | A | A | S | A | A | L | L | A | L | |||
| Ground, Air Force | A | L | A | S | S | S | A | A | A | A | A | L | A | ||||||
| Legend: | A: Applicable L: Limited, as specified in the relevant sections of this standard S: To be specified by the procuring authority in the procurement documentation | ||||||||||||||||||
| Requirement | Description | Frequency |
|---|---|---|
| CE101 | Conducted Emissions, Audio Frequency Current, Power Leads | 30Hz – 10kHz |
| CE102 | Conducted Emissions, Radio Frequency Voltages, Power Leads | 10kHz – 10MHz |
| CE106 | Conducted Emissions, Antenna Terminal | 10kHz – 40GHz |
| CS101 | Conducted Susceptibility, Power Leads | 30Hz – 150kHz |
| CS103 | Conducted Susceptibility, Antenna Port, Intermodulation | 15kHz – 10GHz |
| CS104 | Conducted Susceptibility, Antenna Port, Rejection of Undesired Signals | 30Hz – 20GHz |
| CS105 | Conducted Susceptibility, Antenna Port, Cross Modulation | 30Hz – 20GHz |
| CS109 | Conducted Susceptibility, Structure Current | 60Hz – 100kHz |
| CS114 | Conducted Susceptibility, Bulk Cable Injection (BCI) | 10kHz – 200MHz |
| CS115 | Conducted Susceptibility, Bulk Cable Injection (BCI), Impulse Excitation | |
| CS116 | Conducted Susceptibility, Damped Sinusoidal Transients, Cables and Power Leads | 10kHz – 100MHz |
| CS117 | Conducted Susceptibility, Lightning-Induced Transients, Cables and Power Leads | |
| CS118 | Conducted Susceptibility, Personnel-Borne Electrostatic Discharge (ESD) | |
| RE101 | Radiated Emissions, Magnetic Field | 30Hz – 100kHz |
| RE102 | Radiated Emissions, Electric Field | 10kHz – 18GHz |
| RE103 | Radiated Emissions, Antenna Terminal, Spurious and Harmonic Outputs | 10kHz – 40GHz |
| RS101 | Radiated Susceptibility, Magnetic Field | 30Hz – 100kHz |
| RS103 | Radiated Susceptibility, Electric Field | 2MHz – 40GHz |
| RS105 | Radiated Susceptibility, Transient Electromagnetic Field |
The versions of the MIL-STD-461 standard published from the original MIL-STD-461 through MIL-STD-461G are listed below:
- MIL-STD-461 (July 1967)
- MIL-STD-461A (August 1968)
- MIL-STD-461B (April 1980)
- MIL-STD-461C (August 1986)
- MIL-STD-461D (January 1993)
- MIL-STD-461E (August 1999)
- MIL-STD-461F (December 2007)
- MIL-STD-461G (December 2015)
At our STEST facility located in Ankara, which is an organization accredited by TÜRKAK, tests defined in the E, F, and G versions of the MIL-STD-461 standard are performed in accordance with the TS EN ISO/IEC 17025 standard, “General Requirements for the Competence of Testing and Calibration Laboratories.”
To enhance the quality and reliability of your products, you may contact us for your Environmental, EMI/EMC, and ATP testing requirements.