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    This study introduces a design method for electrical impedance tomography (EIT) circuits. The approach optimizes signal-to-noise ratio and reduces power consumption for improved EIT system performance.

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    Area of Science:

    • Biomedical Engineering
    • Electrical Engineering
    • Medical Imaging

    Background:

    • Electrical Impedance Tomography (EIT) systems require specialized circuit designs.
    • Optimizing signal-to-noise ratio (SNR) and minimizing power consumption are critical challenges in EIT system development.

    Purpose of the Study:

    • To present a systematic methodology for designing the core circuit building blocks of EIT systems.
    • To establish a framework for translating high-level EIT specifications into detailed circuit performance requirements.

    Main Methods:

    • Derivation of equations linking system-level EIT specifications to individual circuit block performance metrics.
    • Review and selection of optimal circuit architectures based on defined performance requirements.

    Main Results:

    • A clear mapping between EIT system specifications and circuit block performance needs.
    • Identification of suitable circuit architectures for enhanced EIT system design.

    Conclusions:

    • The proposed design methodology effectively guides the development of EIT circuits.
    • This approach facilitates the creation of EIT systems with superior SNR and reduced power usage.