Broadband GaN MMIC Doherty power amplifier using continuous-mode combining for 5G sub-6 GHz applications

J Pang, C Chu, J Wu, Z Dai, M Li… - IEEE Journal of Solid …, 2022 - ieeexplore.ieee.org
This article presents a broadband fully integrated Doherty power amplifier (DPA) using a
continuous-mode combining load. It is illustrated that the continuous-mode impedance …

High-efficiency dual-band filtering Doherty power amplifier based on multi-function circuit

H Chen, JX Xu, W Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article presents a high-efficiency dual-band filtering Doherty power amplifier (DPA)
using multi-function circuits for simplifying the structure. A dual-band filtering power …

Wideband two-way hybrid Doherty outphasing power amplifier

C Liang, JI Martinez-Lopez, P Roblin… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
A new type of wideband dual-input hybrid Doherty outphasing power amplifier (HDO-PA) is
developed in which the load-modulation scheme continuously converts as the frequency …

Triple-mode reciprocal Doherty power amplifier with multi-band operation and extended high efficiency range

S Liu, J Pang, R Gao, T Yao, T Cai, M Li… - … on Circuits and …, 2023 - ieeexplore.ieee.org
This article presents the methodology for designing triple-mode Doherty power amplifier
(DPA) with multi-band operation and extended high efficiency range. It is illustrated that …

Development Review of Broadband and Multi-Band Outphasing Power Amplifiers for High-Efficiency Amplification

Y Zhang, C Hu, X Liu, J Wang, W Zhong, P Tian, S Lin… - Energies, 2023 - mdpi.com
Outphasing power amplifiers (OPAs) can be used in wireless information and power transfer
systems due to their excellent conversion efficiency. With the rapid advancement of …

Load mismatch compensation of doherty power amplifier using dual-input and mode reconfiguration techniques

W Shi, X Li, Y Gao, C Hu, Z Dai… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Doherty power amplifier (DPA) has shown great potentials in wireless communication
systems. However, the output power and efficiency of a DPA are very susceptible to load …

Dual-band three-way Doherty power amplifier employing dual-mode gate bias and load compensation network

R Gao, J Pang, T Cai, C Shen, W Shi… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This article presents a new method to design dual-band three-way Doherty power amplifiers
(DPAs). A novel modified load modulation network (LMN) is constructed for enabling dual …

Systematic design methodology of broadband Doherty amplifier using unified matching/combining networks with an application to GaN MMIC design

AME Abounemra, W Chen, F Huang, M Maktoomi… - IEEE …, 2020 - ieeexplore.ieee.org
This paper presents a new design methodology for broadband Doherty architecture using
the three-port input and output networks technique. The proposed topology was developed …

Broadband Doherty Power Amplifier Using Short Ended λ/4 Transmission Lines Based on the Analysis of Negative Characteristic Impedance

JX Xu, H Chen, W Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper presents a broadband Doherty power amplifier (DPA) using quarter-wavelength
(/4) transmission lines with negative characteristic impedance. In conventional DPA designs …

Design of Wideband Asymmetric Doherty Power Amplifier Using a New Phase Compensation Technique

Z Dai, S Kong, W Feng, S Tian, W Shi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article proposes a new phase compensation technique to expand the operating
bandwidth of an asymmetric Doherty power amplifier (ADPA). Its operation principle is to …