A Differential 4-Path Highly Linear Widely Tunable On-Chip Band-Pass Filter

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    Abstract

    Abstract A passive switched capacitor RF band-pass filter with clock controlled center frequency is realized in 65nm CMOS. An off-chip transformer which acts as a balun, improves filter-Q and realizes impedance matching. The differential architecture reduces clock-leakage and suppresses selectivity around even harmonics of the clock. The filter has a constant -3dB bandwidth of 35MHz and can be tuned from 100MHz up to 1GHz. IIP3 is better than 19dBm, P1dB=2dBm and NF<;5.5dB at Pdiss=2mW to 16mW.
    Original languageEnglish
    Title of host publicationIEEE Radio Frequency Integrated Circuits Symposium (RFIC 2010)
    Place of PublicationUSA
    PublisherIEEE
    Pages299-302
    Number of pages4
    ISBN (Print)978-1-4244-6240-7
    DOIs
    Publication statusPublished - 24 May 2010
    Event2010 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2010 - Anaheim Convention Center, Anaheim, United States
    Duration: 23 May 201025 May 2010

    Conference

    Conference2010 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2010
    Abbreviated titleRFIC
    CountryUnited States
    CityAnaheim
    Period23/05/1025/05/10

    Keywords

    • METIS-271064
    • N-path filters
    • Cognitive Radio
    • CMOS bandpass filter
    • Software Defined Radio
    • EWI-18577
    • commutated capacitor
    • inductorless
    • IR-73659

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