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This paper proposed a new broadband parallel-circuit class E power amplifier(PA) design with feedback inductance. The effect of the feedback inductance on the drain efficiency is studied with an analytical method by using Fourier transformation. Analytical results show that drain efficiency greater than 90% is achieved over a frequency bandwidth of 64% by introducing inductance feedback. Simulation...
A high power class-E power amplifier (PA) using a silicon carbide (SiC) metal-semiconductor field effects transistors (MESFET) is presented in this paper, which is designed and implemented at 1 GHz. To improve output power and efficiency by suppressing harmonic powers, the output matching network is consisted of an asymmetrical spurline resonator (ASR). This resonator can provide dual-bandgap characteristics,...
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