Feature: Aerospace, Military & Defence
Spectrum into scale Beyond this, manufacturing for E-band also presents its own set of challenges. Integrating components into a high-yield, reliable transceiver module is far more complex at these frequencies than at lower bands. Terefore, achieving scalable, high-
performance, repeatable production is a barrier for new entrants, requiring specialised expertise in semiconductor fabrication, RF design and system integration. Tis is where expertise in high-
frequency RF technology is required. Filtronic, with more than a decade of experience in E-band development and tens of thousands of deployed modules in terrestrial networks, has been working on solutions to overcome these challenges. By applying what works in high-
frequency terrestrial communications to space applications, the company is focused on improving power efficiency and signal integrity at these demanding frequencies. One of the biggest areas of innovation
in E-band technology has been in semiconductor materials like gallium arsenide (GaAs) and gallium nitride
(GaN). Tese materials are key to developing high-performance power amplifiers that keep signals strong and efficient, even in the harsh environment of space. Rather than relying on standard off-
the-shelf components, Filtronic design custom chipsets across the RF spectrum. Tey work closely with semiconductor foundries to refine processes and improve design tools, helping to push performance at these high frequencies. In addition to semiconductor
development, a vertically integrated approach that spans the entire RF chain, from chipset design to fully integrated transceiver modules, is implemented. Tis level of control allows for fine-
tuning at every stage, ensuring that E-band technology not only meets the technical demands of space applications but can also achieve high-yield, scalable production.
Regulatory landscape As the industry moves toward high- volume manufacturing to support growing LEO constellations, having solutions that are both high-performance and scalable will be key to making
E-band a mainstream part of satellite communications. Tat’s why we’re seeing major satellite
operators and industry disruptors recognising its potential for high-data-rate applications, leading to growing interest and investment in this spectrum. Regulatory bodies have responded by
establishing frameworks that support E-band adoption, easing market entry in some markets through relatively light- touch licensing compared to the more congested lower-frequency bands, which face greater competition for spectrum. Although these factors pose E-band
as an attractive option for high-capacity, next-generation satellite networks, the complexity of working at these frequencies is no small feat. Getting it right from the start can be
the difference between leading the pack or playing catch-up, so for companies looking to break into E-band, the smartest approach isn’t going solo. Partnering with experts who understand
the complexities, from high-frequency design to scalable manufacturing, ensures the successful deployment of next-generation satellite communication solutions.
www.electronicsworld.co.uk May 2025 27
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