On February 19, Teledyne HiRel Semiconductors announced the TDLNA0840EP, a 4 GHz wideband low‑noise amplifier that delivers guaranteed operation to 4.0 GHz while drawing only 25–30 mW from a single 1.5‑volt supply. The amplifier’s 29 dB gain and 1.5 dB noise figure across 0.3–4.0 GHz make it the lowest‑power 4 GHz LNA available today.
The TDLNA0840EP’s power efficiency is a first for its performance class, enabling power‑constrained RF systems in space, avionics, and battery‑operated ground equipment to reduce energy consumption without sacrificing signal quality. The 29 dB gain and sub‑2 dB noise figure provide high sensitivity for deep‑space and high‑altitude missions, while the 25–30 mW draw keeps thermal loads minimal.
The launch expands Teledyne’s Aerospace & Defense Electronics portfolio, which has grown through acquisitions such as the $710 million purchase of Excelitas Technologies’ defense electronics businesses in February 2025. The TDLNA0840EP follows the 2024 TDLNA0840SEP, positioning the HiRel line as a leader in ultra‑low‑power RF solutions for mission‑critical applications.
Teledyne’s strategy emphasizes ruggedized semiconductor products that meet the stringent reliability and performance demands of defense and space customers. By adding the TDLNA0840EP, the company strengthens its foothold in the growing market for power‑efficient RF front‑ends, potentially opening new revenue streams in satellite, UAV, and high‑speed communication systems.
Overall, the TDLNA0840EP represents a significant technical milestone for Teledyne and its customers, underscoring the company’s commitment to delivering breakthrough solutions that enable next‑generation defense and space missions.
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