Blogs

Jamming and Counter-Jamming: Field-Driven Innovation in Electronic Warfare

Electronic warfare (EW) now plays a decisive role in military operations, and the insights shared by those on the ground are directly influencing how the industry sets its priorities. The war in Ukraine has provided unprecedented real-time insights into which capabilities are effective on contested battlefields, prompting military systems to prioritize swift and reliable control of the spectrum.

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The Electromagnetic Spectrum - The New Frontier of Modern Warfare

Military forces have fought for control of land, sea, and air for centuries. Now, a different type of contest unfolds across the electromagnetic spectrum. Unlike traditional combat zones, success here is measured not by territory gained, but by the ability to communicate, detect, and disrupt.

As military operations increasingly leverage space-based assets for surveillance and communications, both performance and reliability of RF and microwave products become defining factors in operational success.

A Competitive and Congested Environment

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Military-Grade S-Band Amplifiers: Powering the NewSpace Revolution at the Speed of Innovation

The NewSpace revolution is transforming satellite technology development and deployment. Satellite manufacturing companies have shown that commercial space ventures can deploy sophisticated satellite communications faster than ever before.
This new landscape requires:

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Mission-Critical RF Converter Testing and Characterization

The testing and characterization of wideband radio frequency (RF) converters present significant challenges, particularly for product designers and engineers working on Electronic Warfare (EW) and Satellite Communication (Satcom) systems. Inefficient or inadequate testing can lead to compromised system performance, increased development costs, and even jeopardize mission success.

Four reasons to choose GaN SSPAs over TWTAs for power amplification

Traveling-wave tube amplifiers (TWTAs) have traditionally been used in high-power radar systems for meteorology, air traffic control, defense, and maritime services. But now, there is a new technology to consider: solid-state power amplifiers (SSPAs). Gallium Nitride (GaN)-based microwave SSPAs that handle higher power densities, operate effectively at elevated temperatures, and can drive TWTs in high-power radar systems.

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Understanding the Conversion Loss and Gain of a Mixer

RF and Microwave Mixers play a crucial role in altering signal frequencies within radio frequency (RF) and microwave communication systems. They are essential in various applications, including signal modulation, RF signal demodulation, and frequency conversion in up/down converters.

To optimize system performance, it’s important to understand their key performance metrics and why they matter. Among those are conversion loss and conversion gain.

The Role of a Mixer

Y-FACTOR VS. COLD-SOURCE NOISE MEASUREMENT OF RF/MICROWAVE LNAS

There are several methods for making noise figure (NF) measurements of RF, microwave, and millimeter-wave low noise amplifiers (LNAs), each with a wide number of options, instruments, and techniques. In a recent Tech Brief, Erzia reviews how we came up with an approach using standard laboratory equipment that can easily be followed by trained personnel working at higher frequencies to obtain optimal NF data.

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