A High-Efficiency, Ultrawide-Dynamic-Range Radio Frequency Energy Harvester Using Adaptive Reconfigurable Technique-Reference-Cited by-同舟云学术

A High-Efficiency, Ultrawide-Dynamic-Range Radio Frequency Energy Harvester Using Adaptive Reconfigurable Technique

Published:2024-03-25 Issue:7 Volume:13 Page:1193
ISSN:2079-9292
Container-title:Electronics
language:en
Short-container-title:Electronics

Author:

Lian Qian¹²^ORCID,Mei Niansong¹²

Affiliation:

1. Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China

2. University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

This paper presents a novel adaptive reconfigurable rectifier architecture for radio frequency energy harvesting (RFEH); in addition, a new metric for high-efficiency dynamic range (DR) is proposed. The presented rectifier architecture is based on a double-sided diode-feedback cross-coupled differential-drive rectifier (CCDR) structure incorporating self-body bias for reconfigurable operation. An adaptive structure based on a Schmitt trigger is proposed to adaptively switch the rectifier connection without auxiliary voltage (Vaux), with two rectifier stages in parallel at low power and in series at high power. The system is simulated at a 180 nm CMOS process and the results show more than 17 dB DR at 900 MHz, with efficiency higher than 50% at a 100 kΩ load.

Publisher

MDPI AG

Link

https://www.mdpi.com/2079-9292/13/7/1193/pdf

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