Power Supplies in Military Jammer Applications: Ensuring Uninterrupted Electronic Warfare

Published: 20 September 2023

Power Supplies in Military Jammer Applications: Ensuring Uninterrupted Electronic Warfare


Electronic warfare (EW) has become an integral part of modern military operations, enabling forces to gain a tactical advantage by interfering with enemy communications, sensors, and electronic systems. Central to the effectiveness of these EW systems are the power supplies that provide energy to the jammers, amplifiers, and other critical components. In the context of military jammer applications, power supplies must meet stringent requirements to ensure optimal performance, reliability, and survivability.

Challenges in Military Jammer Power Supplies:

Harsh Environments: Military operations often take place in harsh and unpredictable environments, including extreme temperatures, vibrations, and electromagnetic interference (EMI). Power supplies must be ruggedized to withstand these conditions without compromising performance.

Stealth and Security: Jamming operations require low observability to avoid detection by adversaries. Power supplies should be designed to minimize electromagnetic emissions that could potentially reveal the presence of the jamming system.

Energy Efficiency: Military missions can be prolonged, and resupplying power sources may not be feasible. Power supplies need to be energy-efficient to prolong mission duration and conserve resources.

Rapid Deployment: Power supplies should be compact and lightweight for easy deployment in various scenarios, including mobile units and unmanned vehicles.

Design Considerations for Military Jammer Power Supplies:

Redundancy and Reliability: To ensure continuous jamming capabilities, redundant power supply systems are often employed. These systems switch seamlessly in case of a primary system failure, minimizing downtime.

EMI/RFI Filtering: Effective filtering is crucial to prevent electromagnetic interference that could disrupt both the performance of the power supply itself and the surrounding electronic systems.

Wide Input Voltage Range: Power supplies need to accommodate varying input voltage levels, whether sourced from generators, batteries, or different electrical grids.

Cooling Solutions: Efficient thermal management is essential, especially in jammer applications where high power levels can lead to significant heat generation. Advanced cooling techniques such as liquid cooling or phase-change materials might be employed.

EMC Compliance: Electromagnetic compatibility (EMC) is crucial to ensure that the power supply does not interfere with other electronic equipment or compromise the jamming system's stealth.

Advanced Technologies and Innovations:

GaN and SiC Components: Gallium Nitride (GaN) and Silicon Carbide (SiC) components offer higher power density and efficiency compared to traditional semiconductor materials, allowing for smaller and more efficient power supply designs.

Smart Power Management: Incorporating intelligent power management systems can optimize power usage, extending mission duration and conserving energy.

Hybrid Power Sources: Integrating various power sources, such as batteries, generators, and solar panels, into a hybrid power system can enhance the overall reliability and energy sustainability of military jamming operations.

Digital Control and Monitoring: Implementing digital control and monitoring interfaces enables real-time diagnostics, remote management, and predictive maintenance, improving system availability.

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The LCC600 Series from Artesyn, featuring MIL-STD-461F and MIL-STD-810F certification

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