Testing MIL-STD

MIL-STD

  • This standard establishes interface and associated verification requirements for the control of the electromagnetic interference (emission and susceptibility) characteristics of electronic, electrical, and electromechanical equipment and subsystems designed or procured for use by activities and agencies of the Department of Defense. Such equipment and subsystems may be used independently or as an integral part of other subsystems or systems. This standard is best suited for items that have the following features: electronic enclosures that are no larger than an equipment rack, electrical interconnections that are discrete wiring harnesses between enclosures, and electrical power input derived from prime power sources. This standard should not be directly applied to items such as modules located inside electronic enclosures or entire platforms. The principles in this standard may be useful as a basis for developing suitable requirements for those applications. Data item requirements are also included.

    The emissions and susceptibility and associated test procedure requirements in this standard are designated in accordance with an alphanumeric coding system. Each requirement is identified by a two letter combination followed by a three digit number. The number is for reference purposes only. The meaning of the individual letters is as follows:

    • C=Conducted
    • R=Radiated
    • E=Emission
    • S=Susceptibility

    • Conducted emissions requirements are designated by "CE---."
    • Radiated emissions requirements are designated by "RE---."
    • Conducted susceptibility requirements are designated by "CS---."
    • Radiated susceptibility requirements are designated by "RS---."

    Followings are requirements of MIL-STD-461E


    Emission and Susceptibility Requirements

    Emission and Susceptibility Requirements
    Requirement Description
    CE101 Conducted Emissions, Power Leads. 30 Hz to 10 kHz
    CE102 Conducted Emissions, Power Leads, 10 kHz to 10 MHz
    CE106 Conducted Emissions, Antenna Terminal, 10 kHz to 40 GHz
    CS101 Conducted Susceptibility, Power Leads, 30 Hz to 150 kHz
    CS103 Conducted Susceptibility, Antenna Port, Intermodulation, 15 kHz to 10 GHz
    CS104 Conducted Susceptibility, Antenna Port, Rejection or Undesired Signals, 30 Hz to 20 GHz
    CS105 Conducted Susceptibility, Antenna Port, Cross-Modulation, 30 Hz to 20 GHz
    CS109 Conducted Susceptibility, Structure Current, 60 Hz to 100 kHz
    CS114 Conducted Susceptibility, Bulk Cable Injection, 10 kHz to 200 MHz
    CS115 Conducted Susceptibility, Bulk Cable Injection, Impulse Excitation
    CS116 Conducted Susceptibility, Damped Sinusoidal Transients, Cable and Power Leads, 10 kHz to 100 MHz
    RE101 Radiated Emissions, Magnetic Field, 30 Hz to 100 kHz
    RE102 Radiated Emissions, Electric Field, 10 kHz to 18 GHz
    RE103 Radiated Emissions, Antenna Spurious and Harmonic Outputs, 10 kHz to 40 GHz
    RS101 Radiated Susceptibility, Magnetic Field, 30 Hz to 100 kHz
    RS103 Radiated Susceptibility, Electric Field, 2 MHz to 40 GHz
    RS105 Radiated Susceptibility, Transient Electromagnetic Field

    All above testing are not required upon type of equipments or products. And requirements and testing criteria would be applied accordance with applied fields (Surface ship, aircraft, ground, etc.) and MIL-STD-461E as shown bellow table.


    Requirement Matrix

    Requirement Matrix
    Equipment and Subsystems Installed In, On, or Launched From the Following Platforms or Installations C
    E
    1
    0
    1
    C
    E
    1
    0
    2
    C
    E
    1
    0
    6
    C
    S
    1
    0
    1
    C
    S
    1
    0
    3
    C
    S
    1
    0
    4
    C
    S
    1
    0
    5
    C
    S
    1
    0
    9
    C
    S
    1
    1
    4
    C
    S
    1
    1
    5
    C
    S
    1
    1
    6
    R
    E
    1
    0
    1
    R
    E
    1
    0
    2
    R
    E
    1
    0
    3
    R
    S
    1
    0
    1
    R
    S
    1
    0
    3
    R
    S
    1
    0
    5
    Surface Ships A L A S S S A L A A A L A A L
    Submarines A A L A S S S L A L A A A L A A L
    Aircraft, Army, Including Flight Line A A L A S S S A A A A A L A A L
    Aircraft, Navy L A L A S S S A A A L A L L A L
    Aircraft, Air Force A L A S S S A A A A L A
    Space Systems, Including Launch Vehicles A L A S S S A A A A L A
    Ground, Army A L A S S S A A A A L L A
    Ground, Navy A L A S S S A A A A L A A L
    Ground, Air Force A L A S S S A A A A L A
    Legend: A Applicable
    L Limited as specified in the individual sections of MIL-STD 461 E Standard
    S Procuring activity must specify in procurement documentation

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