Abstract

A new technique to design wideband Class-E power amplifiers (PAs) based on the synthesis of specific load admittances at fundamental and harmonics is shown. This technique symplifies the design of wideband Class-E amplifiers by making it independent on any specific load network, implementation, and intrinsic transistor output capacitance COUT. Simulations and actual measurements on a 15-W VHF wideband Class-E PA prototype designed using this method show 35% fractional bandwidth with 80% drain efficiency

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