High efficiency GaN HEMT synchronous rectifier with an octave bandwidth for wireless power applications

Abbasian, Sadegh; Johnson, Thomas

doi:10.1109/mwsym.2016.7540080

Cited by 14 publications

(9 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Table 1 shows several state of the art results regarding multiband rectifier designs [1][2][3][4][5] showing efficiencies in the order of 15% for -20 dBm input power for dual band rectifiers [5] where a single diode is used and efficiencies in above 25 % for triple band rectifiers with -15 dBm input power where a dedicated branch for each frequency is considered [2]. Table 2 shows several state of the art results regarding broadband rectifier design [7][8][9][10][11]. The design in [10] is capable of harvesting in the 2-18 GHz frequency band with efficiencies of 20% for 15 dBm input power at 3 GHz using a single diode rectifier in a 64 element array configuration.…”

Section: Multi-band/broadband Rectifiersmentioning

confidence: 99%

“…This is why several solutions where it is possible to harvest from more than one frequency band have been proposed in the literature [1][2][3][4][5][6][7][8][9][10][11]. These solutions are based on the use of multiband rectifiers or in the combination of the DC outputs of several single band rectifiers.…”

Section: Introductionmentioning

confidence: 99%

“…In [3], [5] dual band electromagnetic energy harvesting is proposed where the energy is collected from two different RF frequency bands, while in [1,2,4] triple band EH is considered. Some other works focus on broadband electromagnetic EH [7][8][9][10][11] where the energy is collected from a selected range of continuous frequencies.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Rectifier Design Challenges for RF Wireless Power Transfer and Energy Harvesting Systems

Collado¹,

Daskalakis²,

Niotaki³

et al. 2017

RADIOENGINEERING

View full text Add to dashboard Cite

Abstract. The design of wireless power transfer (WPT) and energy harvesting (EH) solutions poses different challenges towards achieving maximum RF-DC conversion efficiency in these systems. This paper covers several selected challenges when developing WPT and electromagnetic EH solutions, such as the design of multiband and broadband rectifiers, the minimization of the effect that load and input power variations may have on the system performance and finally the most optimum power combining mechanisms that can be used when dealing with multielement rectifiers.

show abstract

Section: Multi-band/broadband Rectifiersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Rectifier Design Challenges for RF Wireless Power Transfer and Energy Harvesting Systems

Collado¹,

Daskalakis²,

Niotaki³

et al. 2017

RADIOENGINEERING

View full text Add to dashboard Cite

show abstract

“…Several high-efficiency synchronous rectifiers have been reported using GaN HEMTs [ 18 , 19 , 20 ]. Ref.…”

Section: Introductionmentioning

confidence: 99%

“…Ref. [ 19 ] reported a class-

wideband rectifier for the 0.6–1.15 GHz frequency range with an RF-dc conversion efficiency of 80.1%. Ref.…”

Section: Introductionmentioning

confidence: 99%

2.4 GHz GaN HEMT Class-F Synchronous Rectifier Using an Independent Second Harmonic Tuning Circuit

Shin

et al. 2021

Sensors

View full text Add to dashboard Cite

This paper proposes a class-F synchronous rectifier using an independent second harmonic tuning circuit for the power receiver of 2.4 GHz wireless power transmission systems. The synchronous rectifier can be designed by inverting the RF output port to the RF input port of the pre-designed class-F power amplifier based on time reversal duality. The design of the class-F power amplifier deploys an independent second harmonic tuning circuit in the matching networks to individually optimize the impedances of the fundamental and the second harmonic. The synchronous rectifier at the 2.4 GHz frequency is designed and implemented using a 6 W gallium nitride high electron mobility transistor (GaN HEMT). Peak RF-dc conversion efficiency of the rectifier of 69.6% is achieved with a dc output power of about 7.8 W, while the peak drain efficiency of the class-F power amplifier is 72.8%.

show abstract

Broadband RCN-based RF-rectifier with a large range of power for harvesting ambient wireless energy

Muhammad

Tiang

Wong

et al. 2022

AEU - International Journal of Electronics and Communications

View full text Add to dashboard Cite

High efficiency GaN HEMT synchronous rectifier with an octave bandwidth for wireless power applications

Cited by 14 publications

References 9 publications

Rectifier Design Challenges for RF Wireless Power Transfer and Energy Harvesting Systems

Rectifier Design Challenges for RF Wireless Power Transfer and Energy Harvesting Systems

2.4 GHz GaN HEMT Class-F Synchronous Rectifier Using an Independent Second Harmonic Tuning Circuit

Broadband RCN-based RF-rectifier with a large range of power for harvesting ambient wireless energy

Contact Info

Product

Resources

About