31 May 2013 High-efficiency switching power amplifiers for P, L, S, and X Band
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To meet the demands for higher efficiency and size, weight, power, and cost (SWaP-C), a high efficiency Power Amplifier (PA) design is discussed. The primary focus is on Class F and Inverse Class F PAs for increased efficiency in P, L, S, and X band applications. By incorporating innovative matching techniques at the second and third harmonics and including fast voltage switching circuits, efficiencies over 80% are achievable at a peak output power greater than 25 Watts. These technologies allow for a reduction in battery size and cooling requirements, while achieving state-of-the-art efficiencies.
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Jarred Lawler, Justin Wells, Sal Mendez, Tim Wurth, "High-efficiency switching power amplifiers for P, L, S, and X Band", Proc. SPIE 8714, Radar Sensor Technology XVII, 87140V (31 May 2013); doi: 10.1117/12.2016172; https://doi.org/10.1117/12.2016172


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