Output Matching Network Design for Highly Efficient InP-DHBT W-Band PAs Utilizing a Defected Ground Structure

K. Erkelenz*, P. Sriperumbuduri, T. Flisgen, M. Rudolph, Tom Keinicke Johansen, W. Heinrich, A. Wentzel

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    Output matching networks (OMNs) are substantially determining the performance of millimetre wave power amplifiers (PAs). In terms of efficiency, there are two major requirements for OMNs: First is to meet matching conditions up to a certain harmonic frequency based on the results of harmonic load pull analysis. Second is to keep matching network losses as low as possible. The main challenge for PA design is to meet both demands at the same time. This paper describes a design procedure for highly efficient W-band InP-DHBT MMIC PAs and presents a novel improved OMN utilizing a defected ground structure (DGS) that both improves harmonic tuning and decreases network losses compared to conventional transmission line approaches.
    Original languageEnglish
    Title of host publicationProceedings of 2020 German Microwave Conference
    PublisherIEEE
    Publication date2020
    Pages268-271
    ISBN (Print)9783982039718
    Publication statusPublished - 2020
    Event2020 German Microwave Conference - Brandenburg University of Technology Cottbus-Senftenberg , Cottbus, Germany
    Duration: 9 Mar 202011 Mar 2020

    Conference

    Conference2020 German Microwave Conference
    LocationBrandenburg University of Technology Cottbus-Senftenberg
    Country/TerritoryGermany
    CityCottbus
    Period09/03/202011/03/2020

    Keywords

    • MMIC
    • InP DHBT
    • Power amplifiers
    • Load pull
    • High efficiency
    • Harmonic tuning
    • Output matching
    • Matching losses
    • Class F
    • Defected ground structure
    • W-band

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