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Journal of Computer, Electronic, and Telecommunication (COMPLETE)
Published by Universitas Telkom
ISSN : 27234371     EISSN : 27235912     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering
COMPLETE (ISSN 2723-4371, E-ISSN 2723-5912) is a national open scientific journals which seeking innovation, creativity, and novelty. Either letters, research notes, articles, supplemental articles, or review articles in the field of Electrical, Computer, and Telecommunication technology. Scope of the journal include : - Technology utilization of maritime resources - Strengthening infrastructuremaritime - Technology and management safety transportation - Industrial strengthening technology transportation - Supporting infrastructure and transportation system - Operational efficiency - Electronics technology - Telecommunication technology - Computer technology - System security - Advanced robotics technology - Technology and disaster management - Advanced power electronics - Application of power system - Renewable energy - Chips technology - Smart iot devices - 5g technology and ecosystems - Technology and management environment This journal published twice a year, in July and December. Editors invite research lecturers, the reviewer, practitioners, industry, and observers to contribute to this journal. The language used in the form of Indonesian and English. The author will not be charged any fees in the publication process.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 71 Documents
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Design and Implementation of a 16-Electrode Electrical Impedance Tomography Data Acquisition System for Medical Imaging Nofrianto, Aldo; Audy; Wardani, Aditya
Journal of Computer, Electronic, and Telecommunication (COMPLETE) Vol. 6 No. 2 (2025): December
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52435/complete.v6i2.752

Abstract

Electrical Impedance Tomography (EIT) is a non-invasive imaging modality that reconstructs the internal resistivity distribution of an object using electrical measurements acquired from boundary electrodes. This paper presents the design, implementation, and experimental validation of a 16-electrode EIT data acquisition system for medical imaging applications. The developed system consists of a signal generator, voltage-to-current converter (VCC), voltage measurement circuit, multiplexer/demultiplexer unit, microcontroller, and image reconstruction algorithm. Experimental evaluations were conducted to assess signal stability, current injection performance, and voltage measurement accuracy. The XR2206 signal generator produced stable output over a frequency range of 1 to 210 kHz with an output impedance of 0.0784 kohm. The LF412-based amplifier demonstrated linear operation up to 50 kHz, while the VCC generated stable injection currents ranging from 0.3 to 2 mA for load variations between 100 to 2000 ohms, with optimal stability at 10 kHz. Data acquisition was performed using the adjacent method on a 16-electrode phantom containing bovine bone as a resistive object. Image reconstruction using the iterative Newton-Raphson method with Tikhonov regularization successfully identified the position and boundaries of the object. The optimal imaging performance was achieved at an injection current of 0.3 mA and a frequency of 10 kHz. Overall, the system shows reliable imaging.

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