Abstract
AbstractA compact broadband 12 W power amplifier with broadband matching networks is presented. Transistors connected in parallel are used to synthesize the high power. Input, interstage, and output matching networks are also properly designed to meet the requirement of the broadband application. The broadband high power amplifier (HPA) was fabricated using a 0.15‐μm gallium nitride (GaN) HEMT technology, with a maximum saturated measured output power of 43 dBm from 6 to 18 GHz. The measured power added efficiency exceeds 20% in the whole interested band. The proposed HPA also has a compact size of 3.1 mm × 2.96 mm.
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