Results 11 to 20 of about 5,300,992 (236)

Broadband power amplifier limitations due to package parasitics [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2015
Limitations of CMOS broadband power amplifiers due to package parasitics have been explored in this paper. The constraints of power amplifier matching network, realized as a third-order Chebyshev filter, have been derived, and a new power ...
Grujić Dušan N., Saranovac Lazar
doaj   +2 more sources

Development Review of Highly Efficient Sequential Power Amplifier with Extended Back-Off Range for Broadband Application

open access: yesEnergies, 2023
Similar to a Doherty power amplifier (DPA), a sequential power amplifier (SPA) is mainly composed of a main amplifier, an auxiliary amplifier and a combiner.
Keyuan Yang   +5 more
doaj   +2 more sources

Broadband Linear High-Power Amplifier Based on the Parallel Amplification Architecture for Electromagnetic Ultrasonic Guided Wave

open access: yesSensors, 2019
The linear power amplifier with high-output power in the broadband frequency is the critical component required by exciting the electromagnetic acoustic transducer (EMAT) to generate ultrasonic guided wave (UGW).
Jinjie Zhou, Yang Zheng
doaj   +2 more sources

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   +2 more sources

6–18 GHz High-Efficiency Power Amplifier MMIC Based on Broadband Impedance Matching [PDF]

open access: yesMicromachines
To meet the high standard requirements for broadband high-efficiency power amplifiers in modern communication technology, a 6–18 GHz high-efficiency monolithic microwave integrated circuit (MMIC) power amplifier was developed using a 0.25 μm gallium ...
Shuai Liu   +4 more
doaj   +2 more sources

Design of Broadband Doherty Power Amplifier Based on Misaligned Current Phase

open access: yesEnergies
A broadband Doherty power amplifier (DPA) always experiences an efficiency degradation between two efficiency peaks, especially at two side bands. In this study, the efficiency degradation was demonstrated to be caused caused by the in-phase power ...
Yinlong Hu, Decheng Gan, Weimin Shi
doaj   +2 more sources

Broadband Class-J GaN Doherty Power Amplifier [PDF]

open access: yesElectronics, 2022
This paper presents a broadband 3 GHz–3.7 GHz class-J Doherty power amplifier exploiting second harmonic tuning in the output network. Furthermore, the output impedance inverter is eliminated and its effect is embedded in the main device’s output ...
A. Nasri   +6 more
semanticscholar   +2 more sources

Intermodulation distortion performance enhancement of microwave power amplifiers [PDF]

open access: yes, 2000
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis reports the author's investigation of the effects of the injection of specific signals on the intermodulation distortion performance of ...
Mbabele, Modeste
core   +6 more sources

A 211-to-263-GHz Dual-LC-Tank-Based Broadband Power Amplifier With 14.7-dBm PSAT and 16.4-dB Peak Gain in 130-nm SiGe BiCMOS

open access: yesIEEE Journal of Solid-State Circuits, 2023
This article presents a broadband sub-terahertz (THz) power amplifier (PA) with a low-loss four-way power combiner. The proposed power combiner consists of an improved zero-degree combiner (ZDC) and a three-conductor Marchand balun simultaneously ...
Jiayang Yu   +10 more
semanticscholar   +1 more source

Broadband and Energy-Efficient Power Amplifier Architectures

open access: yes, 2015
In this dissertation, power amplifier circuits and architectures are proposed that provide high efficiency for spectral-efficient high peak-to-average power ratio signals that are being used in modern communications systems. Using the proposed amplifier architectures and circuits high efficiency can be achieved in large frequency bandwidth.
Akbarpour, Mohammadhassan
openaire   +3 more sources

Home - About - Disclaimer - Privacy