Results 11 to 20 of about 5,300,992 (236)
Broadband power amplifier limitations due to package parasitics [PDF]
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
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
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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
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A Highly Efficient Broadband Class-E Power Amplifier with Nonlinear Shunt Capacitance [PDF]
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
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6–18 GHz High-Efficiency Power Amplifier MMIC Based on Broadband Impedance Matching [PDF]
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
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Design of Broadband Doherty Power Amplifier Based on Misaligned Current Phase
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
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Broadband Class-J GaN Doherty Power Amplifier [PDF]
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]
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
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
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
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