Design and test of nonlinear Class-E and Class-F RF power amplifiers
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2009-10-30
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Abstract
RF power amplifiers of high efficiency and low
consume are very important for applications where the size
of the device is important, such as mobile phones, network
sensors or PDAs. The classical operation modes as Class-A,
Class-B and Class-AB amplifiers have a good linearity but a
low efficiency, in contrast, Class-E and Class-F amplifiers
are not linear, but they present a higher efficiency. In this
paper, we present a methodology for designing and building
no-lineal microwave and RF power amplifiers. To build the
amplifiers we propose the use of transmission-lines, that
facilitate the practical implementation because of the low
availability of a wide range of lumped elements in the
market but they can be replaced by transmission-lines.
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