Floquet-based stability analysis of power amplifiers including distributed elements

Federica Cappelluti, Fabio L. Traversa, Fabrizio Bonani, Simona Donati Guerrieri, Giovanni Ghione

    Research output: Contribution to journalArticleResearchpeer-review

    4 Citations (Scopus)

    Abstract

    In this letter we present the first implementation of Floquet theory for the large-signal stability analysis of power amplifiers including transmission lines. We compare a few lumped-parameter and distributed designs of a combined class-B PA with equivalent in-band performance but different layouts. Distributed designs are shown to induce distinctive features from the stability standpoint, in particular with reference to the onset of odd-mode oscillations. These results show the potential and practical interest, also from the layout verification standpoint, of the extension of Floquet theory to the analysis of circuits including distributed elements. © 2001-2012 IEEE.
    Original languageEnglish
    Article number6810185
    Pages (from-to)493-495
    JournalIEEE Microwave and Wireless Components Letters
    Volume24
    Issue number7
    DOIs
    Publication statusPublished - 1 Jan 2014

    Keywords

    • Bifurcation
    • circuit simulation
    • circuit stability
    • Floquet theory
    • frequency domain analysis
    • power amplifiers (PAs)

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