Towards Low Power N-Path filters for flexible RF-channel selection

    Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

    Abstract

    N-path filters can offer high-linearity high-Q channel selection filtering at a flexibly programmable RF center frequency, which is highly wanted for Software Defined Radio. Relying on capacitors and MOSFET switches, driven by digital non-overlapping clocks, N-path filters fit well to CMOS and benefit from Moore’s law. The basis of this filtering is the linear periodically time variant (LPTV) behaviour of a switch-R-C series circuit, which realizes frequency translated filtering, where a baseband filter characteristic is shifted around the switching frequency. This paper reviews the basic concept of N-path filters and recent developments, with special attention to possibilities to reduce power consumption by increasing the impedance level. The basic operation of the switch-R-C kernel that is at the core of N-path filtering is reviewed in terms of transfer function and noise performance.
    Original languageUndefined
    Title of host publicationEfficient Sensor Interfaces, Advanced Amplifiers and Low Power RF Systems
    Place of PublicationSwitzerland
    PublisherSpringer
    Pages255-274
    Number of pages20
    ISBN (Print)978-3-319-21184-8
    DOIs
    Publication statusPublished - 31 Dec 2015

    Keywords

    • METIS-316885
    • EWI-26934

    Cite this

    Klumperink, E. A. M., Soer, M. C. M., Struiksma, R. E., van Vliet, F. E., & Nauta, B. (2015). Towards Low Power N-Path filters for flexible RF-channel selection. In Efficient Sensor Interfaces, Advanced Amplifiers and Low Power RF Systems (pp. 255-274). Switzerland: Springer. https://doi.org/10.1007/978-3-319-21185-5
    Klumperink, Eric A.M. ; Soer, M.C.M. ; Struiksma, R.E. ; van Vliet, Frank Edward ; Nauta, Bram. / Towards Low Power N-Path filters for flexible RF-channel selection. Efficient Sensor Interfaces, Advanced Amplifiers and Low Power RF Systems. Switzerland : Springer, 2015. pp. 255-274
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    title = "Towards Low Power N-Path filters for flexible RF-channel selection",
    abstract = "N-path filters can offer high-linearity high-Q channel selection filtering at a flexibly programmable RF center frequency, which is highly wanted for Software Defined Radio. Relying on capacitors and MOSFET switches, driven by digital non-overlapping clocks, N-path filters fit well to CMOS and benefit from Moore’s law. The basis of this filtering is the linear periodically time variant (LPTV) behaviour of a switch-R-C series circuit, which realizes frequency translated filtering, where a baseband filter characteristic is shifted around the switching frequency. This paper reviews the basic concept of N-path filters and recent developments, with special attention to possibilities to reduce power consumption by increasing the impedance level. The basic operation of the switch-R-C kernel that is at the core of N-path filtering is reviewed in terms of transfer function and noise performance.",
    keywords = "METIS-316885, EWI-26934",
    author = "Klumperink, {Eric A.M.} and M.C.M. Soer and R.E. Struiksma and {van Vliet}, {Frank Edward} and Bram Nauta",
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    Klumperink, EAM, Soer, MCM, Struiksma, RE, van Vliet, FE & Nauta, B 2015, Towards Low Power N-Path filters for flexible RF-channel selection. in Efficient Sensor Interfaces, Advanced Amplifiers and Low Power RF Systems. Springer, Switzerland, pp. 255-274. https://doi.org/10.1007/978-3-319-21185-5

    Towards Low Power N-Path filters for flexible RF-channel selection. / Klumperink, Eric A.M.; Soer, M.C.M.; Struiksma, R.E.; van Vliet, Frank Edward; Nauta, Bram.

    Efficient Sensor Interfaces, Advanced Amplifiers and Low Power RF Systems. Switzerland : Springer, 2015. p. 255-274.

    Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

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    T1 - Towards Low Power N-Path filters for flexible RF-channel selection

    AU - Klumperink, Eric A.M.

    AU - Soer, M.C.M.

    AU - Struiksma, R.E.

    AU - van Vliet, Frank Edward

    AU - Nauta, Bram

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    AB - N-path filters can offer high-linearity high-Q channel selection filtering at a flexibly programmable RF center frequency, which is highly wanted for Software Defined Radio. Relying on capacitors and MOSFET switches, driven by digital non-overlapping clocks, N-path filters fit well to CMOS and benefit from Moore’s law. The basis of this filtering is the linear periodically time variant (LPTV) behaviour of a switch-R-C series circuit, which realizes frequency translated filtering, where a baseband filter characteristic is shifted around the switching frequency. This paper reviews the basic concept of N-path filters and recent developments, with special attention to possibilities to reduce power consumption by increasing the impedance level. The basic operation of the switch-R-C kernel that is at the core of N-path filtering is reviewed in terms of transfer function and noise performance.

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    Klumperink EAM, Soer MCM, Struiksma RE, van Vliet FE, Nauta B. Towards Low Power N-Path filters for flexible RF-channel selection. In Efficient Sensor Interfaces, Advanced Amplifiers and Low Power RF Systems. Switzerland: Springer. 2015. p. 255-274 https://doi.org/10.1007/978-3-319-21185-5