DESIGN OF MULIFREQUENCY ELECTRICAL IMPEDANCE TOMOGRAPHY (MfEIT) BASED ON ANALOG DISCOVERY TO DETECT BREAST CANCER

Khusnul Ain, Franky Chandra Satria Arisgraha, Nuril Ukhrowiyah, Imam Sapuan, Ade Agung Harnawan, Valentinus Mahendra Aaron Quendangen, Bayu Ariwanto, Inas Amira

Research output: Contribution to journalArticlepeer-review

Abstract

This study aims to design Multifrequency Electrical Impedance Tomography (MfEIT) based on Analog Discovery to detect breast cancer. The MfEIT was built from Analog Discovery which can be used as a signal generator, power supply, voltage control and measuring voltage and phase difference. Other complementary modules are Multiplexer, Instrument amplifier, Voltage Constant Current Source (VCCS), and High Pass Filter (HPF). The MfEIT performance test was carried out on a phantom object made of agar with a certain conductivity that represents breast and cancer tissue. The MfEIT performance testing at a frequency of 10 kHz, 40 kHz, and 80 kHz. The reconstruction from both potential and phase difference data, it shown that are in accordance with the phantom condition, both in number, size and position of anomalies. The reconstruction from the voltage data shown fine at all frequencies, but the phase data produces a good reconstruction image when frequencies was less than 80 kHz.

Original languageEnglish
Pages (from-to)109-116
Number of pages8
JournalJurnal Teknologi (Sciences and Engineering)
Volume87
Issue number1
DOIs
Publication statusPublished - Jan 2025

Keywords

  • analog discovery
  • breast cancer
  • electrical impedance
  • Multi frequency
  • tomography

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