Results 31 to 40 of about 23,589 (286)
A Novel High-Power-Factor Single-Switch Electronic Ballast for Compact Fluorescent Lamps
Eletrônica de Potência, 2004 In this paper a high-power-factor electronic ballast for compact fluorescent lamps based on the class E amplifier and featuring low voltage stress across the switch is presented.
Mario Ponce +4 more
doaj +1 more source
Optimization of class E power amplifier design above theoretical maximum frequency [PDF]
, 2008 In this contribution, the analysis on high frequency Class E design approach is presented. Starting from the classical theory, a numerical analysis is performed to extend class E feasibility at higher frequencies.
GIANNINI, FRANCO +7 more
core +1 more source
Class-E Amplifier Design Improvements for GSM Frequencies
The Journal of Engineering Research, 2011 Efficient power amplifiers are essential in portable battery-operated systems such as mobile phones. Also, the power amplifier (PA) is the most power-consuming building block in the transmitter of a portable system.
Z. Nadir, F. Touati
doaj +1 more source
Design of RF Power Amplifiers Using Parallel-Series Power Combining Transformers [PDF]
Engineering and Technology Journal, 2015 This paper presents the design of a one watt-level RF CMOS Power Amplifier (PA) based on power combining transformers PSCT in 0.13 µm technology using ADS 2011.10.
Suhad. H. Jasim, Ahmed S. Ezzulddin
doaj +1 more source
Inverse Class E amplifier and oscillator phase noise characteristics [PDF]
, 2007 This paper gives the first experimental characterisation of the phase noise response of the recently introduced Inverse Class E topology when operated as an amplifier and then as an oscillator.
Fusco, V.F.; id_orcid +5 more
core +1 more source
Energies, 2019 In this paper, a steady-state matrix analysis method is introduced to analyze the output characteristics of the class-E power amplifier used in a wireless power transfer (WPT) system, which takes the inductance resistance, on-resistance and leakage ...
Feng Wen, Rui Li
doaj +1 more source
The Journal of Engineering, 2015 Integration of a class-E power amplifier (PA) and a thin-film bulk acoustic wave resonator (FBAR) filter is shown to provide high power added efficiency in addition to superior out-of-band spectrum suppression.
Kyle Holzer, Jeffrey S. Walling
doaj +1 more source
Analysis and Design of a Novel Broadband and High-Efficiency Class-E/FJ Power Amplifier [PDF]
AUT Journal of Electrical EngineeringThis paper presents a novel hybrid Class-E/FJ power amplifier (PA) that integrates Class-E/F PA and Class-J PA to formulate a high-efficiency as well as broadband performance.
Parastoo Rostami +2 more
doaj +1 more source
Frequency-Selective MHz Power Amplifier for Dielectric Barrier Discharge Plasma Generation
IEEE Open Journal of Power Electronics, 2022 Plasma-assisted nitrogen fixation at atmospheric pressure is a clean and decentralized method for fertilizer production. Among many different plasma discharge types, dielectric barrier discharge (DBD) is one of the few that can generate high output of ...
Jiale Xu +4 more
doaj +1 more source
High Efficiency Power Amplifier Based on Envelope Elimination and Restoration Technique [PDF]
, 2010 Due to complex envelope and phase modulation employed in modern transmitters it is necessary to use power amplifiers that have high linearity. Linear power amplifiers (classes A, B and AB) are commonly used, but they suffer from low efficiency especially
Alou Cervera, Pedro +9 more
core +1 more source