Results 31 to 40 of about 37,508 (305)
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
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
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
The Infeasibility of a Zero-Current Switching Class E Amplifier [PDF]
, 1990 It has been shown that a class E amplifier may be configured to provide nearly 100-percent efficiency and zero-current or zero-voltage switching. A particular configuration, which supplies zero-current-switching when the transistor output capacitance is ...
Zulinski, Robert E., Herman, Kelly J.
core +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
A Bibliometric Analysis of Publications in Uremic Toxins From 1991 to 2024
Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Background Uremic toxins are a growing area of research in nephrology, with significant implications in the progression and treatment of chronic kidney disease (CKD) and the management of end‐stage kidney disease (ESKD). This bibliometric analysis aims to evaluate the global research trends, key contributors, and the impact of publications in ...
Yuh‐Shan Ho +7 more
wiley +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