Continuous-mode hybrid asymmetrical load-modulated balanced amplifier with three-way modulation and multi-band reconfigurability

Y Cao, H Lyu, K Chen - … Transactions on Circuits and Systems I …, 2021 - ieeexplore.ieee.org
This article introduces a novel high-order load modulation power amplifier (PA) architecture,
ie, continuous-mode hybrid asymmetric load modulated balanced amplifier (H-ALMBA). The …

Sequential LMBA design technique for improved bandwidth considering the balanced amplifiers off-state impedance

C Belchior, LC Nunes, PM Cabral… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This work proposes a design technique to improve the bandwidth of sequential load-
modulated balanced amplifiers (SLMBAs). It is theoretically demonstrated that a finite OFF …

A high-efficiency continuous class-F GaN MMIC power amplifier using a novel harmonic matching network

X Jiang, W Huang, C Bao, X Wu, K Wei… - IEEE Microwave and …, 2023 - ieeexplore.ieee.org
In this letter, an-band high-efficiency continuous Class-F (CCF) GaN monolithic microwave
integrated circuit (MMIC) power amplifier (PA) implemented in 0.25-GaN-on-Si technology is …

Highly efficient wideband GaN MMIC Doherty power amplifier considering the output capacitor influence of the peaking transistor in class-C operation

RJ Liu, XW Zhu, J Xia, P Chen, C Yu… - … on Circuits and …, 2022 - ieeexplore.ieee.org
In this paper, a highly efficient gallium nitride (GaN) monolithic microwave integrated circuit
(MMIC) Doherty power amplifier (DPA) from 4.6 to 5.5 GHz with the consideration of the …

[HTML][HTML] Internally Harmonic Matched Compact GaN Power Amplifier with 78.5% PAE for 2.45 GHz Wireless Power Transfer Systems

C Li, Z Zhang, Y Pei, C Chen, G Feng, Y Xu - Micromachines, 2024 - mdpi.com
In this paper, a high-efficiency compact power amplifier is designed and fabricated with a
0.25 μm GaN high electron mobility transistor (HEMT) to meet the demands of a high …

A 700-2800MHz switchless class-G power amplifier with two-quadrant modulation for back-off efficiency improvement

X Chen, M Zhao, W Chen, Z Feng - 2022 IEEE/MTT-S …, 2022 - ieeexplore.ieee.org
In this paper, a novel Switchless class-G (SLCG) Power Amplifier (PA) is proposed to
improve back-off efficiency by allowing transistors operate across the 1 st and 3 rd quadrants …

Transparent In/SeO2 Thin Film Transistors Designed for Gigahertz/Terahertz Technologies

AF Qasrawi, RB Daragme - Journal of Electronic Materials, 2022 - Springer
Herein, thin films of selenium oxide are coated onto transparent indium substrates with
thickness of 150 nm under vacuum pressure of 10–5 mbar. In/SeO2 optical receivers are …

Self-Decoupled 8-Element Dual Polarized MIMO Antenna for B5G Handsets with Sub-6 GHz and mmWave Integration

A Sufyan, SAA Shah, KB Khan, IA Shah, A Ullah… - IEEE …, 2024 - ieeexplore.ieee.org
This study examines a single-fed, self-isolated, dual-band, 8-element multiple-input multiple-
output (MIMO) antenna system for fifth-generation (5G) and beyond-5G (B5G) handsets. The …

Analysis and design of hybrid Doherty-Outphasing power amplifier

Z Liu, Z Dai, J Wang, S Hu - AEU-International Journal of Electronics and …, 2024 - Elsevier
This paper theoretically analyzes the network phase solution space under Doherty,
Outphasing, and hybrid modes. A dual-input wideband Doherty-Outphasing power amplifier …

Design of Broadband Divisional Load-Modulated Balanced Amplifier With Extended Dynamic Power Range

W Shi, X Li, C Hu, P Li, M Sun, Z Dai… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Though load-modulated power amplifier (PA) has achieved great commercial success, it is
still a challenge to simultaneously improve its operation bandwidth, conversion efficiency …