Millimeter-Wave Hybrid RF-DC Converter Based on a GaAs Chip for IoT-WPT Applications

This letter presents an mm-wave hybrid RF-dc converter based on a gallium arsenide (GaAs) chip for wireless power transmission (WPT) applications. Both chip and external low-pass networks are described, and different scenarios are considered and measured. This work presents a very versatile system c...

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Published in:IEEE microwave and wireless components letters 2021-06, Vol.31 (6), p.787-790
Main Authors: Matos, Diogo, Correia, Ricardo, Carvalho, Nuno Borges
Format: Article
Language:English
Subjects:
Circuits
Converters
Energy conversion efficiency
Energy harvesting (EH)
Frequency measurement
Gallium arsenide
gallium arsenide (GaAs) RFIC
Microwave circuits
Millimeter waves
mm-wave
MMIC
Prototypes
Rectennas
RF-dc converter
Semiconductor device measurement
System-on-chip
Wireless power transmission
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cited_by cdi_FETCH-LOGICAL-c223t-7268ff17010b67a6f158571ecbea0cd1800ac9d781413a2db20bab2a58faa9813
cites cdi_FETCH-LOGICAL-c223t-7268ff17010b67a6f158571ecbea0cd1800ac9d781413a2db20bab2a58faa9813
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container_issue 6
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container_title IEEE microwave and wireless components letters
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creator Matos, Diogo
Correia, Ricardo
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description This letter presents an mm-wave hybrid RF-dc converter based on a gallium arsenide (GaAs) chip for wireless power transmission (WPT) applications. Both chip and external low-pass networks are described, and different scenarios are considered and measured. This work presents a very versatile system capable of operating at several frequencies, loads, and scenarios. The system proposed was evaluated considering an on-chip measurement approach and a fully assembled circuit. In both scenarios, the circuit presents results very close to the simulated, where the efficiency of 54% is achieved for 13 dBm of input power for the fully assembled case and the efficiency of 51% with 15 dBm of input power for on-chip measurement. Finally, the output voltage can achieve up to 8 V with a load of 1.96 \text{k}\Omega .
doi_str_mv 10.1109/LMWC.2021.3058542
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source IEEE Xplore (Online service)
subjects Circuits
Converters
Energy conversion efficiency
Energy harvesting (EH)
Frequency measurement
Gallium arsenide
gallium arsenide (GaAs) RFIC
Microwave circuits
Millimeter waves
mm-wave
MMIC
Prototypes
Rectennas
RF-dc converter
Semiconductor device measurement
System-on-chip
Wireless power transmission
title Millimeter-Wave Hybrid RF-DC Converter Based on a GaAs Chip for IoT-WPT Applications
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