A 0.06–3.4-MHz 92-μW Analog FIR Channel Selection Filter With Very Sharp Transition Band for IoT Receivers

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    Abstract

    Analog FIR filtering is proposed to improve the performance of a single stage g m -C channel selection filter for ultra low power Internet-of-Things receivers. The transconductor is implemented as a digital-to-analog converter; allowing a varying transconductance in time, which results in a very sharp FIR filter. The filter is manufactured in 22-nm FDSOI and has a core area of 0.09 mm 2 . It consumes 92 µW from a 700-mV supply and achieves f −60 dB/f −3 dB = 3.8. The filter has 31.5 dB gain, out-of-band OIP3 of 28 dBm and output referred 1-dB compression point of 3.7 dBm. The filter bandwidth is tunable from 0.06 to 3.4 MHz.
    Original languageEnglish
    Title of host publicationIEEE 45th European Solid State Circuits Conference, ESSCIRC 2019
    Place of PublicationPiscataway, NJ
    PublisherIEEE Solid-State Circuits Society
    Number of pages4
    ISBN (Electronic)978-1-7281-1550-4, 978-1-7281-1549-8
    ISBN (Print)978-1-7281-1551-1
    DOIs
    Publication statusPublished - 25 Sep 2019

    Publication series

    NameIEEE European Solid State Circuits Conference (ESSCIRC)
    PublisherIEEE
    Volume2019
    ISSN (Print)1930-8833
    ISSN (Electronic)2643-1319

    Keywords

    • Analog filters
    • analog FIR (AFIR) filters
    • FDSOI
    • gmDAC
    • Internet of Things (IoT)
    • Low power
    • low-pass filter (LPF)

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  • Cite this

    Thijssen, B. J., Klumperink, E. A. M., Quinlan, P., & Nauta, B. (2019). A 0.06–3.4-MHz 92-μW Analog FIR Channel Selection Filter With Very Sharp Transition Band for IoT Receivers. In IEEE 45th European Solid State Circuits Conference, ESSCIRC 2019 (IEEE European Solid State Circuits Conference (ESSCIRC); Vol. 2019). Piscataway, NJ: IEEE Solid-State Circuits Society. https://doi.org/10.1109/ESSCIRC.2019.8902851