military devices and subsystems testing

 Qualifications of military electronic devices and subsystems

according to MIL-STD-461 standard are an important step in defense system development

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.

Here, at DNB Engineering, Inc., we provide service and help to get the military products to the market

as quickly as possible and cost-effective.

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.

Requirement matrix depends on equipment and subsystems type. Check the list here.                               

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.

DNB offers all MIL-STD testing programs, including the latest MIL-STD-461 G Emission and Susceptibility requirements   

Conducted Emission
Audio Frequency Current 
Power Leads
30Hz - 10kHz
Conducted Emission
Radio Frequency Potentials, Power Leads
10kHz - 10MHz
Conducted Emission, Antenna Port
10kHz - 40GHz
Conducted Susceptibility, Power Leads
30Hz - 150kHz
Conducted Susceptibility, Antenna Port, Intermodulation
15kHz - 10GHz
Conducted Susceptibility, Antenna Port, Rejection of Undesired Signals
Signal Rejection,
30Hz - 20GHz
Conducted Susceptibility, Antenna Port, Cross-Modulation
30Hz - 20GHz
Conducted Susceptibility, Structure Current
60Hz - 100kHz
Conducted Susceptibility, Bulk Cable Injection
10kHz to 200MHz
Conducted Susceptibility, Bulk Cable Injection, Impulse Excitation
Conducted Susceptibility, Damped Sinusoidal Transients, Cables and Power Leads
10kHz to 100MHz
NEW method
Conducted Susceptibility, Lightning Induced Transients, Cable and Power Leads
NEW method 
Conducted Susceptibility, Personnel Borne Electrostatic Discharge
Radiated Emissions, Magnetic Field
30 Hz to 100 kHz
Radiated Emissions, Electric Field
10 kHz to 18 GHz
Radiated Emissions, Antenna Spurious and Harmonic Outputs
10 kHz to 40 GHz
Radiated Susceptibility, Magnetic Field
30 Hz to 100 kHz
Radiated Susceptibility, Electric Field
2 MHz to 40 GHz
Radiated Susceptibility, Transient Electromagnetic Field


The list of required test equipment, according to the MIl-std-461G:

CE101: Measurement receivers, Current Probes, Signal Generator, Data recording device, Oscilloscope, Resistor (R), LISNs.
CE102: Measurement receiver, Data recording device, Signal generator, Attenuator, Oscilloscope, LISNs.
CE106: Measurement receiver, Attenuators, rejection networks, Directional Couplers, Dummy loads, Signal Generators, Data recording devices.
CS101: Signal Generator, Power Amplifier, Oscilloscope OR Measurement receiver, Coupling transformer, Capacitor, Isolation transformer for oscilloscope use or transducer for measurement receiver use, Resistor, LISNs. 
CS109: Signal Generator, Amplifier, Isolation Transformers, Current probe, Measurement receiver, Resistor, Coupling transformer.
CS114: Measurement receivers, Current Injection probes, Calibration fixture, Directional couplers, Signal Generators, Plotter, Attenuators, Coaxial loads, Power amplifiers, LISNs.
CS115: Pulse Generator, Current injection probe, Drive cable, Current probe, Calibration fixture, Oscilloscope, Attenuators, Coaxial loads, LISNs.
CS116: Damped sinusoid transient generator, Current injection probe, Oscilloscope, Calibration fixture, Current probes, waveforms recording device, Attenuators, Measurement receivers, Coaxial loads, LISNs.
CS117 (NEW method): Lightning transient generator, Injection Transformers, Oscilloscope, Current monitor probes, Attenuators, Voltage monitor probes, Monitor loop, Calibration loop, Capacitors, LISNs.
CS118 (NEW method): ESD Generator, ESD Network, Contact discharge, Air discharge, Electrostatic Voltmeter, Oscilloscope, ESD current target, Attenuator, Coaxial cable, Metallic ground plane, Ionizer or megohm resistor.
RE101: Measurement receivers, Data recording device, Loop sensor, LISNs, Ohmmeter, Signal Generator.
RE102: Measurement receivers, Data recording device, Antenna, Signal Generators, Stub radiator, Capacitor, LISNs.
RE103: Measurement receiver, Attenuators, Antennas, Rejection networks, Signal generators, Power monitor.  
RS101: Signal source, Radiating loop, Loop sensor, Measurement receiver, Current probe, LISNs.
RS103: Signal generators, Power amplifiers, Receive antennas, Transmit antennas, Electric field sensors, Measurement receiver, Power meter, Directional coupler, Attenuator, Data recording device, LISNs.
RS105: Transverse electromagnetic cell, Transient pulse generator, Storage oscilloscope, Terminal protection devices, High-voltage probe, B-dot sensor probe, D-dot sensor probe, LISNs, Integrator.


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