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Design and modelling challenges for advanced class-S digital transmitters

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2 Author(s)
Quay, R. ; Fraunhofer Inst. of Appl. Solid-State Phys. (IAF), Freiburg, Germany ; Maroldt, S.

This paper discusses design and modelling challenges for advanced class-S transmitters. Class-S amplifiers require specific design and modelling steps due to the broadband transmission of Δ-Σ-modulated signals to be amplified by a switch-mode stage, especially for high bit rates related to 2 GHz operation and high output powers at ≥10W. Despite of the broadband approach specific to digital operation specific microwave issue have to be considered to enable efficient data transmission to the antenna.

Published in:

Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMIC), 2011 Workshop on

Date of Conference:

18-19 April 2011