ArticleHardwareX2026
Design and implementation of a portable, high-speed, wide-bandwidth FPGA-based electrical impedance tomography system.
Article in HardwareX, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
This paper describes the design of a small form-factor, low-cost, portable electrical impedance tomography (EIT) system with a custom analog front end and field-programmable gate array (FPGA) controller. Detailed analog and digital design choices are presented and discussed in the context of currently available state-of-the art hardware components and in relation to EIT-driven system requirements. The system is capable of acquisition speeds required for real-time imaging under appropriate acquisition configurations, provides high-SNR measurements over the 100 Hz to 1 MHz target bandwidth, and has customizable acquisition parameters to allow users to optimize the system for a wide variety of imaging applications. Hardware characterization results demonstrate competitive performance relative to existing small form-factor EIT systems, while multi-frequency imaging results demonstrate successful EIT image reconstruction across the evaluated frequency range. The development of this highly configurable, high-performing, portable EIT system provides a significant step toward expanding the practical use of multi-application, real-time EIT imaging.
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