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Author:

Yang, Xiaoxiong (Yang, Xiaoxiong.) | Xie, Hongyun (Xie, Hongyun.) | Sun, Yuxin (Sun, Yuxin.) | Han, Dong (Han, Dong.) | Shen, Xiaoting (Shen, Xiaoting.) | Ji, Ruilang (Ji, Ruilang.) | Na, Weicong (Na, Weicong.) | Zhang, Wanrong (Zhang, Wanrong.)

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EI Scopus

Abstract:

In order to solve the problem of size and power consumption of wired winding or wireless built-in power supply devices in optogenetic experiments, an implantable wireless powered optoelectronic integrated chip, with a RF-DC rectifier and a GaN-LED optrode, has been designed. The rectifier is realized with the integrated NMOS and capacitor based on SMIC 0.18um CMOS technology. The collected RF signal is converted to a stable and high-amplitude DC signal by quadruple voltage rectification, and then supplied to the GaN-LED optrode as its driver. Therefore, the proposed implantable wirelessly powered optoelectronic integrated chip does not require external wiring or built-in battery, which can effectively reduce the size and power consumption. The results from the post-simulation shows that when the antenna collects 5dBm RF signal of 1.5GHz, the RF-DC rectifier provides about 3.4V DC stable signal with about 20us delay and can make the GaN-LED optrode working normally. The PVT and Monte Carlo simulation show the circuit stability under process and temperature deviations, which can meet the requirements of optrode load. © 2023 IEEE.

Keyword:

Electric rectifiers Gallium nitride Electric power utilization Monte Carlo methods Rectifying circuits III-V semiconductors Light emitting diodes Antennas Intelligent systems

Author Community:

  • [ 1 ] [Yang, Xiaoxiong]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Xie, Hongyun]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Sun, Yuxin]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Han, Dong]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Shen, Xiaoting]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Ji, Ruilang]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 7 ] [Na, Weicong]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China
  • [ 8 ] [Zhang, Wanrong]College of Microelectronics, Beijing University of Technology, Beijing; 100124, China

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Year: 2023

Language: English

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ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 3

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