A Review of Highly Efficient Class F Power Amplifier Design Technique in Gigahertz Frequencies
Keywords:Class F, High Efficiency, Power Added Efficiency, Power Amplifier,
AbstractHighly efficient class F power amplifier (PA) in Gigahertz (GHz) frequencies for wireless application is reviewed in this paper. The study focused on the technique used in designing a class F PA especially at GHz frequencies. Several works on the class F PA with different semiconductor technologies from year 2001 to 2016 are discussed. Recent works on class F PA in wireless applications are examined and a comparison of the PA performances of various techniques is presented. Key performance indicators for high efficiency class F PA include power added efficiency (PAE) and output power (Pout).
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