A low noise CMOS current folded mixer for direct conversion receivers

Wen Shen Wuen*, Kuei-Ann Wen

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review


    A current folded mixer achieving low 1/f noise for low power direct conversion receivers is proposed. The proposed mixer topology decouples the design tradeoffs between noise figure, conversion gain and third order intermodulation distortion. Comparisons with the conventional current-reuse injection topology, the current folded mixer with 1/f noise minimized shows significant improvements. Experimental design on 2.4-GHz band and with 0.18-μm CMOS technology has revealed the advantages of the newly proposed topology.

    Original languageEnglish
    Pages (from-to)1005-1009
    Number of pages5
    JournalIEICE Transactions on Electronics
    Issue number6
    StatePublished - Jun 2004


    • 1/f noise
    • Current folded mixer


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