Radio frequency energy harvesting from a feeding source in a passive deep brain stimulation device for murine preclinical research

Md Kamal Hosain, Abbas Z. Kouzani, Susannah J. Tye, Mst Fateha Samad, Rajas P. Kale, Kevin E. Bennet, Felicia S. Manciu, Michael Berk

Research output: Contribution to journalArticle

Abstract

This paper presents the development of an energy harvesting circuit for use with a head-mountable deep brain stimulation (DBS) device. It consists of a circular planar inverted-F antenna (PIFA) and a Schottky diode-based Cockcroft-Walton 4-voltage rectifier. The PIFA has the volume of π × 102 × 1.5 mm3, resonance frequency of 915 MHz, and bandwidth of 16 MHz (909-925 MHz) at a return loss of -10 dB. The rectifier offers maximum efficiency of 78% for the input power of -5 dBm at a 5 kΩ load resistance. The developed rectenna operates efficiently at 915 MHz for the input power within -15 dBm to +5 dBm. For operating a DBS device, the DC voltage of 2 V is recorded from the rectenna terminal at a distance of 55 cm away from a 26.77 dBm transmitter in free space. An in-vitro test of the DBS device is presented.

Original languageEnglish (US)
Pages (from-to)1020-1026
Number of pages7
JournalMedical Engineering and Physics
Volume37
Issue number10
DOIs
StatePublished - Oct 2015

Keywords

  • Deep brain stimulation
  • Radio frequency energy harvesting
  • Rectenna

ASJC Scopus subject areas

  • Biophysics
  • Biomedical Engineering

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