A low-cost 2.45-GHz wireless power link for biomedical devices

This paper presents a 2.45-GHz wireless link to power on the miniaturized biomedical devices. In this link, a chip antenna is adopted for RF power transmitting, and a resonant network consisting of a compact inductor and a chip capacitor is employed for energy harvesting. A prototype is fabricated a...

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Main Authors: Sanming Hu, Jia Hao Cheong, Yuan Gao, Ho, M. C. K., Minkyu Je, Madihian, M., Khait, S.
Format: Conference Proceeding
Language:English
Subjects:
antenna
Antenna measurements
Antennas
Capacitors
chip components
Frequency measurement
near field
resonant coupling
Semiconductor device measurement
Wireless communication
wireless power transfer
Wireless sensor networks
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creator Sanming Hu
Jia Hao Cheong
Yuan Gao
Ho, M. C. K.
Minkyu Je
Madihian, M.
Khait, S.
description This paper presents a 2.45-GHz wireless link to power on the miniaturized biomedical devices. In this link, a chip antenna is adopted for RF power transmitting, and a resonant network consisting of a compact inductor and a chip capacitor is employed for energy harvesting. A prototype is fabricated and measured in the time- and frequency-domain. The measured results show that this power transfer link meets the system requirement. In addition, in the case of a capacitor with 20% variation, this link can still achieve the system required efficiency. It therefore eliminates the adaptive matching circuit and simplifies the system design.
doi_str_mv 10.1109/APCAP.2012.6333223
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects antenna
Antenna measurements
Antennas
Capacitors
chip components
Frequency measurement
near field
resonant coupling
Semiconductor device measurement
Wireless communication
wireless power transfer
Wireless sensor networks
title A low-cost 2.45-GHz wireless power link for biomedical devices
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