Analysis and design of common-gate low-noise amplifier for wideband applications

Jouni Kaukovuori*, Mikko Kaltiokallio, Jussi Ryynänen

*Corresponding author for this work

    Research output: Contribution to journalArticleScientificpeer-review

    7 Citations (Scopus)


    The design of a common-gate (CG) LNA for the wideband applications is discussed in this paper. The effect of the different components in matching network is analyzed in detail. The design of a wideband input matching and output signal current for the input stage is presented. In addition, the effect of the matching network on the linearity and noise of a CG stage is studied. A design example is given to demonstrate the effectiveness of the presented theory.

    Original languageEnglish
    Pages (from-to)257-281
    Number of pages25
    JournalInternational Journal of Circuit Theory and Applications
    Issue number2
    Publication statusPublished - Mar 2009
    MoE publication typeA1 Journal article-refereed


    • Common-gate
    • Low-noise amplifier
    • Wideband


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