Results 21 to 30 of about 9,446,943 (295)

An Approach to Increase Power-Added Efficiency in a 5 GHz Class E Power Amplifier in 0.18 µm CMOS Technology

open access: yesIET Circuits, Devices and Systems, 2023
A new approach to increasing the power-added efficiency (PAE) of a class E power amplifier (PA) is proposed in this paper. The PA operates at a 5 GHz frequency and a reactance compensation technique is utilized to maximize the bandwidth at the operating ...
Hemad Heidari Jobaneh
doaj   +1 more source

Numerical prediction method of shafting power characteristics of free self-propelled ship in waves

open access: yesZhongguo Jianchuan Yanjiu, 2022
ObjectiveTo investigate ship power characteristics and the difference between the towing model and self-propulsion model for ship motion response in waves, numerical simulations of ship self-propulsion performance in waves are carried out. MethodsIn this
Jiawei YU   +4 more
doaj   +1 more source

Design and Optimizing of a GaN HEMT Power Amplifier Based on the Inclined Planes System Optimization Algorithm for Wireless Applications

open access: yesIranian Journal of Electrical and Electronic Engineering, 2022
Power amplifier is one of the main components in the RF transmitters. It must provide various stringent features that can lead to complicating the design.
M. Soruri, S. M. Razavi, M. Forouzanfar
doaj  

Design of a Reconfigurable Dual Mode / Dual Band Power Amplifier for Mobile Communication Systems [PDF]

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications
This paper introduces an alternative design approach of a reconfigurable dual mode/dual band medium power amplifier for modern mobile communication systems.
Zaidoun R. Abd   +2 more
doaj   +2 more sources

Research and Design of an X-Band UHF Power Amplifier

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2022
Introduction. A method for designing power amplifiers for use in the transmitting channels of X-band transceiver modules is investigated. The design process was aimed at optimizing the relationship between the basic amplifier characteristics, including ...
Nguyen Xuan Luong   +3 more
doaj   +1 more source

Novel High-Energy-Efficiency AlGaN/GaN HEMT with High Gate and Multi-Recessed Buffer

open access: yesMicromachines, 2019
A novel AlGaN/GaN high-electron-mobility transistor (HEMT) with a high gate and a multi-recessed buffer (HGMRB) for high-energy-efficiency applications is proposed, and the mechanism of the device is investigated using technology computer aided design ...
Shunwei Zhu   +7 more
doaj   +1 more source

Maximizing Transfer Efficiency with an Adaptive Wireless Power Transfer System for Variable Load Applications

open access: yesEnergies, 2021
Electronic devices usually operate in a variable loading condition and the power transfer efficiency of the accompanying wireless power transfer (WPT) method should be optimizable to a variable load.
Jung-Hoon Cho   +2 more
doaj   +1 more source

A 144 GHz power amplifier MMIC with 11dBm output power, 10 dB associated gain and 10 % power-added efficiency

open access: yes, 2022
S.429-432A millimeter-wave monolithic integrated circuit power amplifier operating in the frequency range between 135 and 155 GHz is presented. The D-band power amplifier, realized in a 100 nm gate length metamorphic high electron mobility transistor ...
Koch, S.   +6 more
core   +1 more source

A Novel 4H-SiC MESFET with a Heavily Doped Region, a Lightly Doped Region and an Insulated Region

open access: yesMicromachines, 2021
A novel 4H-SiC MESFET was presented, and its direct current (DC), alternating current (AC) characteristics and power added efficiency (PAE) were studied.
Hujun Jia   +4 more
doaj   +1 more source

Efficiency versus linearity trade-off in an S-band class-AB power amplifier [PDF]

open access: yes, 2023
This paper presents a design strategy to simultaneously optimize the efficiency and linearity of a single-device class-AB power amplifier, given minimum output power and gain requirements.
Camarchia, V.   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy