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This paper presents a modified parallel-circuit class-E amplifier that accommodates devices with larger output capacitances, recovering the class-E operating conditions. The finite inductor in the parallel circuit topology is replaced by a more suitable network composed of a series inductor and additional subharmonic resonators. Analysis of the class-E amplifier allows to determine the required frequency-domain...
A concept technique of cascaded distributed power amplifier (DPA) with non-identical transistors and controlled inter-stage tapered impedance for wideband applications is presented. The topology solves the gain peaking effect (expansion) at cut-off frequency and guarantees sufficient stability margins. The advantages of the proposed technique are explored analytically before prototype fabrication...
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