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Développement d'un banc de load-pull actif innovant, utilisant un signal multi-tons large bande pour la mesure de la linéarité (EVM, NPR, ACPR) des dispositifs actifs

Vincent Gillet 1
1 XLIM-SRF - Systèmes RF
XLIM - XLIM : SRF
Abstract : This manuscript describes an innovative use of the Unequally Spaced Multi-Tones test signal to achieve linearity characterization of telecommunication transmitter (5G). This signal offers new perspectives of characterization using real waveform involving a reduce number of tone test signal, which in turn behaves as an extension of the 2- tone characterization. This innovative test signal is easy to generate, to measure and to analyze. It required not particular expensive hardware to be generated (arbitrary waveform generator, spectrum analyzer). It is particularly interesting for production line testing, from on-wafer measurements up to radiofrequency front-end, passing through packaged transistor. This thesis demonstrated the feasability of automation of multitone measurement, using this particular USMT signal, for load-pull measurement (passive and active) of telecommunications transmitters. Managing this measurement technics represents a competitive advantage at all levels of the radio frequency front-end design and an undeniable financial gain.
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Vincent Gillet. Développement d'un banc de load-pull actif innovant, utilisant un signal multi-tons large bande pour la mesure de la linéarité (EVM, NPR, ACPR) des dispositifs actifs. Electronique. Université de Limoges, 2019. Français. ⟨NNT : 2019LIMO0114⟩. ⟨tel-02505194⟩

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