New architecture for envelope-tracking power amplifier for base station


This paper proposes a new architecture for envelope-tracking power supplies for base stations. The proposed multiphase DC-DC converter circuit uses multiple switching circuits (as well as a voltage follower circuit), each optimized for a different envelope frequency, to realize both high efficiency and wide bandwidth. The operation of the circuit, and… (More)
DOI: 10.1109/APCCAS.2008.4746018


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