Cryogenic Operation of a Millimeter-Wave SiGe BiCMOS Low-Noise Amplifier

Wagner Ramírez, Henrik Forstén, Mikko Varonen, Rodrigo Reeves, Mikko Kantanen, Kaynak Mehmet, Sergio Torres

    Research output: Contribution to journalArticleScientificpeer-review

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    Abstract

    In this letter, we report the design and characterization of a cryogenically cooled silicon germanium (SiGe) low-noise amplifier (LNA) covering a frequency range from 50 to 70 GHz. The amplifier was fabricated in 0.13-μm SiGe BiCMOS technology. At 20 K, the LNA showed stable operation and an average noise figure (NF) of 2.2 dB (191 K) in the 52-65-GHz frequency band. This means 4.4 times improvement compared to the noise temperature at room temperature conditions for the same frequency band. When biased to lowest noise operation at cryogenic conditions of 20 K, the measured small signal gain was 18.5 dB at 60 GHz, while the consumed power was 6.3 mW. According to the authors' knowledge, this is the first report on cryogenic millimeter-wave SiGe LNA and the lowest NF measured for a SiGe LNA in the 50-70-GHz frequency range.

    Original languageEnglish
    Article number8708938
    Pages (from-to)403-405
    Number of pages3
    JournalIEEE Microwave and Wireless Components Letters
    Volume29
    Issue number6
    DOIs
    Publication statusPublished - 1 Jun 2019
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Low noise amplifiers
    Germanium
    Millimeter waves
    Cryogenics
    low noise
    millimeter waves
    cryogenics
    germanium
    amplifiers
    Silicon
    Noise figure
    silicon
    Frequency bands
    BiCMOS technology
    frequency ranges
    noise temperature
    Temperature
    coverings
    room temperature

    Keywords

    • Cryogenic
    • low-noise amplifier (LNA)
    • monolithic microwave integrated circuit (MMIC)
    • noise
    • silicon germanium (SiGe)

    Cite this

    Ramírez, Wagner ; Forstén, Henrik ; Varonen, Mikko ; Reeves, Rodrigo ; Kantanen, Mikko ; Mehmet, Kaynak ; Torres, Sergio. / Cryogenic Operation of a Millimeter-Wave SiGe BiCMOS Low-Noise Amplifier. In: IEEE Microwave and Wireless Components Letters. 2019 ; Vol. 29, No. 6. pp. 403-405.
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    abstract = "In this letter, we report the design and characterization of a cryogenically cooled silicon germanium (SiGe) low-noise amplifier (LNA) covering a frequency range from 50 to 70 GHz. The amplifier was fabricated in 0.13-μm SiGe BiCMOS technology. At 20 K, the LNA showed stable operation and an average noise figure (NF) of 2.2 dB (191 K) in the 52-65-GHz frequency band. This means 4.4 times improvement compared to the noise temperature at room temperature conditions for the same frequency band. When biased to lowest noise operation at cryogenic conditions of 20 K, the measured small signal gain was 18.5 dB at 60 GHz, while the consumed power was 6.3 mW. According to the authors' knowledge, this is the first report on cryogenic millimeter-wave SiGe LNA and the lowest NF measured for a SiGe LNA in the 50-70-GHz frequency range.",
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    Cryogenic Operation of a Millimeter-Wave SiGe BiCMOS Low-Noise Amplifier. / Ramírez, Wagner; Forstén, Henrik; Varonen, Mikko; Reeves, Rodrigo; Kantanen, Mikko; Mehmet, Kaynak; Torres, Sergio.

    In: IEEE Microwave and Wireless Components Letters, Vol. 29, No. 6, 8708938, 01.06.2019, p. 403-405.

    Research output: Contribution to journalArticleScientificpeer-review

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    AU - Ramírez, Wagner

    AU - Forstén, Henrik

    AU - Varonen, Mikko

    AU - Reeves, Rodrigo

    AU - Kantanen, Mikko

    AU - Mehmet, Kaynak

    AU - Torres, Sergio

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