MIL-STD-461: Devices And Subsystems Testing

MIL-STD-461 is a Military Test Standard that provides requirements for the electromagnetic compatibility (EMC) of devices and subsystems created for and used by the United States Department of Defense (DoD). The first Military Standard 461 was issued in 1967 and was followed by Revisions MIL-STD-461A, MIL-STD-461B, MIL-STD-461C, MIL-STD-461E, MIL-STD-461F. The three different branches of the military (Army, Air Force, and Navy) have collaborated to produce updated and expanded versions, cumulating in the most recent edition of the standard: MIL-STD-461G.

MIL-461 tests are 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.

MIL-STD-461G has a comprehensive set of test procedures that are defined to fulfill the DoD’s electromagnetic emissions and susceptibility regulations. The test procedures are divided by groups:
• CE – Conducted emissions;
• CS – Conducted susceptibility;
• RE – Radiated emissions;
• RS – Radiated susceptibility.

Method
Description
Frequency
CE101
Conducted Emission
Audio Frequency Current 
Power Leads
30Hz - 10kHz
CE102
Conducted Emission
Radio Frequency Potentials, Power Leads
10kHz - 10MHz
CE106
Conducted Emission, Antenna Port
10kHz - 40GHz
CS101
Conducted Susceptibility, Power Leads
30Hz - 150kHz
CS103
Conducted Susceptibility, Antenna Port, Intermodulation
Intermodulation,
15kHz - 10GHz
CS104
Conducted Susceptibility, Antenna Port, Rejection of Undesired Signals
Signal Rejection,
30Hz - 20GHz
CS105
Conducted Susceptibility, Antenna Port, Cross-Modulation
Cross-modulation,
30Hz - 20GHz
CS109
Conducted Susceptibility, Structure Current
60Hz - 100kHz
CS114
Conducted Susceptibility, Bulk Cable Injection
10kHz to 200MHz
CS115
Conducted Susceptibility, Bulk Cable Injection, Impulse Excitation
 
CS116
Conducted Susceptibility, Damped Sinusoidal Transients, Cables and Power Leads
10kHz to 100MHz
 
CS117
NEW method
Conducted Susceptibility, Lightning Induced Transients, Cable and Power Leads
 
CS118
NEW method 
Conducted Susceptibility, Personnel Borne Electrostatic Discharge
 
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
 

Test Standard References:
MIL-STD-810
RTCA DO-160
RF Testing

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