RF transconductor linearization technique robust to process, voltage and temperature variations

H. Kundur Subramaniyan, Eric A.M. Klumperink, Bram Nauta, Srinivasan Venkatesh, Ali Kiaei

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    2 Citations (Scopus)
    84 Downloads (Pure)

    Abstract

    A new reconfigurable linearized low noise transconductance amplifier (LNTA) design for a software-defined radio receiver is presented. The transconductor design aims at realizing high linearity at RF in a way that is robust for Process, Voltage and Temperature variations. It exploits resistive degeneration in combination with a floating battery by-pass circuit and replica biasing to improve IIP3 in a robust way. The LNTA with current domain mixer is implemented in a 45nm CMOS process. Compared to an inverter based LNTA with the same transconductance, it improves PIIP3 from 2 dBm to a robust PIIP3 of 8 dBm at the cost of 67% increase in power consumption.
    Original languageEnglish
    Title of host publicationIEEE Asian Solid-State Circuits Conference, A-SSCC 2014
    Place of PublicationPiscataway
    PublisherIEEE
    Pages333-336
    Number of pages4
    ISBN (Electronic)978-1-4799-4089-9
    ISBN (Print)978-1-4799-4090-5
    DOIs
    Publication statusPublished - 11 Nov 2014
    EventIEEE Asian Solid-State Circuits Conference, A-SSCC 2014 - Kaohsiung, Taiwan, Province of China
    Duration: 10 Nov 201412 Nov 2014

    Conference

    ConferenceIEEE Asian Solid-State Circuits Conference, A-SSCC 2014
    Abbreviated titleA-SSCC
    CountryTaiwan, Province of China
    CityKaohsiung
    Period10/11/1412/11/14

    Keywords

    • EWI-25726
    • METIS-309896
    • IR-94229
    • CMOS
    • Software-defiened radio
    • Reciever
    • Linearity
    • Transconductor
    • Transconductor Figure-of-Merit
    • PVT
    • Robust circuit design

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