A wideband IM3 cancellation technique for CMOS attenuators

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    Abstract

    A highly linear P attenuator system using a wideband IM3 cancellation technique is presented that provides 4 discrete attenuation levels with 6dB spacing for DC-5GHz. For the whole band, S11<-14dB, attenuation flatness<1.6dB, +10dBm input P1dB and +26dBm IIP3 are achieved. For the TV band (0.1Gz-1.2GHz) +30dBm IIP3 is achieved. The active area is 0.0054mm2 in a standard 0.16um bulk CMOS process.
    Original languageEnglish
    Title of host publicationIEEE International Solid-State Circuits Conference Digest of Technical Papers (ISSCC 2012)
    Place of PublicationPiscataway
    PublisherIEEE
    Pages78-80
    Number of pages3
    ISBN (Print)978-1-4673-0376-7
    DOIs
    Publication statusPublished - 20 Feb 2012
    EventIEEE International Solid-State Circuits Conference, ISSCC 2012 - San Francisco, United States
    Duration: 19 Feb 201223 Feb 2012

    Publication series

    Name
    PublisherIEEE Press
    ISSN (Print)0193-6530

    Conference

    ConferenceIEEE International Solid-State Circuits Conference, ISSCC 2012
    Abbreviated titleISSCC
    CountryUnited States
    CitySan Francisco
    Period19/02/1223/02/12

    Keywords

    • METIS-286275
    • Frequency measurement
    • Attenuators
    • Attenuation
    • EWI-21049
    • IR-80261
    • Radio frequency
    • Nonlinear distortion
    • Transistors
    • CMOS integrated circuits

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