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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Design and simulation of a rectangular planar printed circuit board coil for nuclear magnetic resonance, radio frequency energy harvesting, and wireless power transfer devices

  • Mostafa Noohi (Faculty of Electrical Engineering, Sahand University of Technology) ;
  • Adel Pourmand (Faculty of Electrical Engineering, Sahand University of Technology) ;
  • Habib Badri Ghavifekr (Faculty of Electrical Engineering, Sahand University of Technology) ;
  • Ali Mirvakili (Department of Electrical Engineering, Yazd University)
  • Received : 2023.04.24
  • Accepted : 2023.08.09
  • Published : 2024.08.20
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Abstract

In this study, a planar printed circuit board (PCB) coil with FR4 substrate was designed and simulated using the finite element method, and the results were analyzed in the frequency domain. This coil can be used in wireless power transfer (WPT) as a transmitter or receiver, eliminating wires. It can also be used as the receiver in radio frequency energy-harvesting (RF-EH) systems by optimizing the planar PCB coil to convert radio-wave energy into electricity, and it can be employed as an excitation (transmitter) or receiver coil in nuclear magnetic resonance (NMR) spectroscopy. This PCB coil can replace the conventional coil, yielding a reduced occupied volume, a fine-tuned design, reduced weight, and increased efficiency. Based on the calculated gain, power, and electromagnetic and electric field results, this planar PCB coil can be implemented in WPT, NMR spectroscopy, and RF-EH devices with minor changes. In applications such as NMR spectroscopy, it can be used as a transceiver planar PCB coil. In this design, at frequencies of 915 MHz and 40 MHz with 5 mm between coils, we received powers of 287.3 μW and 480 μW, respectively, which are suitable for an NMR coil or RF-EH system.

Keywords

References

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