A Methodology for multi-band class E RF PA design.

Abstract : This paper presents a simple methodology for the design of a highly efficient PA in the context of multi-radio devices. This PA belongs to the radiofrequency reconfigurable part within a transmitter. Our goal is to improve the PA efficiency over the bandwidth. The method is based on the extraction of the transistor's non-linear output parameters and the optimisation of a given class E topology to an ideal impedance load. Herein, the method is illustrated by an integrated design using between 2 and 4 GHz and the results of the simulations (in terms of efficiency) agree well with the transient simulation and the S-Parameters optimisation. Considerations are given for the complete development of this design and the interest for future multi-band front end designs.
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Submitted on : Friday, January 7, 2011 - 9:24:12 AM
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Antoine Diet, Martine Villegas, Geneviève Baudoin, Fabien Robert. A Methodology for multi-band class E RF PA design.. IEEE International Microwaves Workshops Series on “RF front ends for Software Defined and Cognitive Radio Solutions” IMWS 2010., Feb 2010, Aveiro, Portugal. p. n°7. ⟨hal-00553308⟩

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