RF & Microwave Electronics - May 2025
Shape‐shifting antennas poised to transform communications…cutting‐edge drone killer radio wave weapon…researchers use ancient Japanese method to create tunable antennas. Read about these and other innovations in this compendium of articles from the editors of Tech Briefs and Aerospace & Defense Technology magazines.
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Overview
The RF & Microwave Electronics Special Report, published in May 2025, presents a comprehensive overview of the latest advancements and challenges in the field of radio frequency and microwave technology. This report is particularly relevant for professionals in defense, telecommunications, and electronics, highlighting innovations that are shaping the future of these industries.
One of the standout features of the report is the focus on the Radio Frequency Directed Energy Weapon (RFDEW), developed by Team Hersa, a collaboration between the Defense Equipment & Support (DE&S) and the Defense Science and Technology Laboratory (DSTL). This cutting-edge system is designed to detect, track, and engage various threats, including drones, across land, air, and sea. By utilizing radio waves to disrupt or damage the electronic components of enemy platforms, the RFDEW offers a strategic solution for protecting critical assets and military bases.
The report also delves into the challenges associated with antenna testing at millimeter-wave (mmWave) frequencies and beyond. It discusses the importance of effective antenna test setups, which have been in use since the mid-20th century, and outlines the key questions these setups aim to answer. As the demand for high-performance antennas increases, particularly in mobile robotics and aerospace applications, the report emphasizes the need for flexible, lightweight, and durable antenna designs.
Another significant topic covered is the impact of coaxial cables on phased array technology. The seamless integration of components in phased array radar systems is crucial for their performance, and the report highlights how modern communications systems require highly stable phase components and innovative coaxial cable solutions to meet increasing complexity and performance demands.
Additionally, the report features an article on shape-shifting antennas, which are poised to revolutionize communications by adapting their shape and functionality to meet varying operational requirements. This innovation could lead to more efficient and versatile communication systems.
The report also touches on the intersection of technology and art, showcasing how researchers have employed ancient Japanese art methods to create tunable antennas. This unique approach not only highlights the creativity involved in engineering but also opens new avenues for antenna design.
In the application briefs section, the report notes that the British Army has completed its first test of the drone-killing RF weapon, marking a significant milestone in military technology. Furthermore, it addresses the concept of drone jamming and explores potential countermeasures, underscoring the ongoing arms race in aerial defense technologies.
Overall, the RF & Microwave Electronics Special Report serves as a vital resource for industry professionals, providing insights into current trends, technological advancements, and the challenges faced in the rapidly evolving landscape of RF and microwave electronics. It encourages innovation and collaboration, paving the way for future developments that will shape the industry for years to come.
