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In this paper we present a wideband high power amplifier that achieves an output power of 20 W with a bandwidth greater than one octave in the L and S bands. Two 10 W Class AB PAs are implemented with GaN-HEMT devices and a low loaded Q matching network to achieve wideband performance. High PAE is achieved by combining outphased saturated power amplifiers in a broadband combiner. The impedance transforming...
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