Results 1 to 10 of about 557,404 (343)

An Inverse Class-E Power Amplifier for Ultrasound Transducer

open access: yesSensors, 2023
An inverse Class-E power amplifier was designed for an ultrasound transducer. The proposed inverse Class-E power amplifier can be useful because of the low series inductance values used in the output matching network that helps to reduce signal ...
Hojong Choi
doaj   +5 more sources

A Transformer Class E Amplifier

open access: yesArchives of Electrical Engineering, 2014
In a high-efficiency Class E ZVS resonant amplifier a matching and isolation transformer can replace some or even all inductive components of the amplifier thus simplifying the circuit and reducing its cost.
Mikolajewski Miroslaw
doaj   +3 more sources

Derivation of the Resonance Mechanism for Wireless Power Transfer Using Class-E Amplifier

open access: yesEnergies, 2021
In this study, we investigated the resonance mechanism of 6.78 MHz resonant wireless power transfer (WPT) systems. The depletion mode of a gallium nitride high-electron-mobility transistor (GaN HEMT) was used to switch the states in a class-E amplifier ...
Ching-Yao Liu   +5 more
doaj   +2 more sources

Minimum Power Input Control for Class-E Amplifier Using Depletion-Mode Gallium Nitride High Electron Mobility Transistor

open access: yesEnergies, 2021
In this study, we implemented a depletion (D)-mode gallium nitride high electron mobility transistor (GaN HEMT, which has the advantage of having no body diode) in a class-E amplifier.
You-Chen Weng   +3 more
doaj   +2 more sources

Wireless Power Charger Based on Class E Amplifier with the Maximum Power Point Load Consideration

open access: yesEnergies, 2018
The construction of an electromagnetic coupling power transfer system is introduced in this paper. Considering the characteristics of the battery charger, a novel parameter design method based on the load of the maximum power transfer point is proposed ...
Weili Dai   +4 more
doaj   +2 more sources

A Class-E Amplifier for a Loosely Coupled Inductive Power Transfer System with Multiple Receivers

open access: yesEnergies, 2019
We present a method for optimizing the electronic power system for a new type of photobioreactor or photoreactor in general. In the case of photobioreactors, photosynthetic active microorganisms or cells are grown. A novel concept for the illumination of
Alexander Sutor   +2 more
doaj   +2 more sources

Class E Power Amplifier Design and Optimization for the Capacitive Coupled Wireless Power Transfer System in Biomedical Implants

open access: yesEnergies, 2017
The capacitive coupled wireless power transfer (CCWPT) operating at megahertz (MHz) frequency is broadly considered as the promising solution for low power biomedical implants.
Narayanamoorthi R.   +4 more
doaj   +3 more sources

A Systematic Approach of Generalized Reactance Compensation Technique in Wideband Class-E Power Amplifier for Lower High Frequency (HF) Bands

open access: yesIEEE Access, 2023
This paper discussed a systematic design approach for reactance compensated class-E power amplifier. The theory behind conventional Class-E is described then differences between reactance compensation Class-E is explained and derived.
Khairul Hilmi Yusof   +6 more
doaj   +1 more source

High-Frequency Power Amplitude Modulators with Class-E Tuned Amplifiers

open access: yesJournal of Telecommunications and Information Technology, 2023
A high-frequency power amplifier used in a drain amplitude modulator must have linear dependence of output HF voltage Vo versus its supply voltage VDD. This condition essential for obtaining low-level envelope distortions is met by a theoretical class-E
Juliusz Modzelewski   +1 more
doaj   +1 more source

A Highly Efficient Broadband Class-E Power Amplifier with Nonlinear Shunt Capacitance [PDF]

open access: yesJournal of the Korean Institute of Electromagnetic Engineering and Science, 2017
A new approach to designing a broadband and highly efficient class-E power amplifier based on nonlinear shunt capacitance analysis is proposed. The nonlinear shunt capacitance method accurately extracts optimum class-E power amplifier parameters ...
Ninh Dang-Duy   +4 more
doaj   +1 more source

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