Results 1 to 10 of about 21,355 (312)

Design of a High-Power, High-Efficiency GaN Power Amplifier for W-Band Applications [PDF]

open access: yesMicromachines
This paper presents a W-band high-efficiency and high-output-power power amplifier (PA) based on a 130 nm AlGaN/GaN-on-SiC HEMT process. The PA is designed to deliver optimal output power and gain performance across the entire W-band.
Shuai Liu   +3 more
doaj   +2 more sources

Review of Efficiency CMOS Class AB Power Amplifier Topology in Gigahertz Frequencies [PDF]

open access: yesASM Science Journal, 2022
This paper reviewed the efficiency of CMOS class AB power amplifier topology especially in gigahertz frequencies. CMOS class AB power amplifier is a compromise between class A and class B in terms of linearity and efficiency between 50% to 78.5%. However,
Rohana Sapawi
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   +3 more sources

THE INFLUENCE OF A RESIDUAL REFLECTIVITY AT THE FRONT FACET OF A MULTISECTION MASTER-OSCILLATOR POWER-AMPLIFIER [PDF]

open access: yesJournal of Engineering Science (Chişinău), 2022
This paper reports on the theoretical end experimental investigation of the output characteristics of a multisection master-oscillator power-amplifier (MOPA).
GRIGORIEV, Eugeniu   +3 more
doaj   +1 more source

A Ku-Band Broadband Stacked FET Power Amplifier Using 0.15 μm GaAs pHEMT

open access: yesMicromachines, 2023
To meet the application requirements of broadband radar systems for broadband power amplifiers, a Ku-band broadband power amplifier (PA) microwave monolithic integrated circuit (MMIC) based on a 0.15 µm gallium arsenide (GaAs) high-electron-mobility ...
Jiaxuan Li   +5 more
doaj   +1 more source

Optimization Technique for High-Gain CMOS Power Amplifier for 5G Applications

open access: yesApplied Sciences, 2021
In this study, a differential power amplifier (PA) with a high gain of over 30 dB by configuring a three-stage common source unit amplifier was designed.
Hayeon Jeong   +5 more
doaj   +1 more source

Design of RF Power Amplifiers Using Parallel-Series Power Combining Transformers [PDF]

open access: yesEngineering 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

Pulse-density modulation for RF applications: The radio-frequency power amplifier (RF PA) as a power converter [PDF]

open access: yes2008 IEEE Power Electronics Specialists Conference, 2008
Switching processes such as pulse-width and pulse-density modulation have been used for many years in power electronics applications. Due to rapid scaling of semiconductor technology, similar approaches may be successfully applied to blocks in the radio architecture. This work outlines the implementation of a class-D power amplifier for RF applications
Jason T. Stauth, Seth R. Sanders
openaire   +1 more source

L‐band high power solid‐state power amplifier for aerospace usage

open access: yesElectronics Letters, 2022
This work presents the design, implementation, and experimental results of an L‐band solid‐state power amplifier (SSPA) developed for the next generation high‐power transmitter for the space usage.
Fei Yang   +7 more
doaj   +1 more source

Efficient Baseband Digital Predistorter Using Lut for Power Amplifier (PA) with Memory Effect [PDF]

open access: yesAmerican Journal of Electrical and Electronic Engineering, 2014
Modern communications systems will have to integrate multiple radio technologies to support a large number of wireless standards (WLAN, WPAN…). This system should operate with third generation (3G) air interface standards, where non constant envelope modulation formats (MQAM, OFDM…) are required.
B. Feuvrie, M. Diop, Y. Wang
openaire   +1 more source

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