We report an evaluation of three different electronic topologies for a high-gain, very-low-noise current sense amplifier (CSA) for use in remote sensing applications. The circuits in question were built from commercially available parts and were evaluated for their performance in an interface to a photo detector used in NASA's Lunar Flashlight infrared spectrometer spacecraft. Through constraints on the test environment, we were able to reduce the impact of systematic noise sources by making them common mode to the measurement. The parts compared were based on the ADA4530-1, the LTC6240, and the LSK389A. We determined which of the three different versions of the CSA had superior noise performance for selection for use on the instrument. Two tests and simulations of each board compare and contrast functionality and performance, both qualitatively and quantitatively, and based on those results, we show that the ADA4350-1 outperformed the opposing components.


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    Titel :

    Noise Evaluation of Various High-gain, Very-low-noise Current Sense Amplifier Circuits


    Beteiligte:
    Ryan, Chad (Autor:in) / Foor, David (Autor:in)


    Erscheinungsdatum :

    06.03.2021


    Format / Umfang :

    6555381 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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