Balanced-to-Doherty mode-reconfigurable power amplifier with high efficiency and linearity against load mismatch

H Lyu, K Chen - IEEE Transactions on Microwave Theory and …, 2020 - ieeexplore.ieee.org
A balanced-to-Doherty (B2D) mode-reconfigurable power amplifier (PA) is presented in this
article, which is endowed with a unique capability of maintaining high linearity and high …

Recent developments of dual-band Doherty power amplifiers for upcoming mobile communications systems

AM Abdulkhaleq, MA Yahya, N McEwan, A Rayit… - Electronics, 2019 - mdpi.com
Power amplifiers in modern and future communications should be able to handle different
modulation standards at different frequency bands, and in addition, to be compatible with the …

A Doherty power amplifier design method for improved efficiency and linearity

W Hallberg, M Özen, D Gustafsson… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
A novel Doherty power amplifier (PA) design method enabling high efficiency and high
linearity simultaneously is proposed. The output combiner network is treated as a black box …

A fully integrated C-band GaN MMIC Doherty power amplifier with high efficiency and compact size for 5G application

G Lv, W Chen, X Liu, FM Ghannouchi, Z Feng - IEEE Access, 2019 - ieeexplore.ieee.org
This paper presents a fully integrated C-band Doherty power amplifier (DPA) based on a
0.25-μm GaN-HEMT process for the 5G massive MIMO application. The performance …

Linearity-enhanced quasi-balanced Doherty power amplifier with mismatch resilience through series/parallel reconfiguration for massive MIMO

H Lyu, Y Cao, K Chen - IEEE Transactions on Microwave …, 2021 - ieeexplore.ieee.org
A reconfigurable series/parallel quasi-balanced Doherty power amplifier (QB-DPA) is
presented with a unique capability of maintaining high linearity and high efficiency against …

A highly linear GaN MMIC Doherty power amplifier based on phase mismatch induced AM–PM compensation

G Lv, W Chen, Y Zhang, N Chen… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents a highly linear Doherty power amplifier (DPA) based on phase
mismatch. When output phase mismatch (OPM) is introduced, ie, the phase shift of the …

3.5-GHz ultra-compact GaN class-E integrated Doherty MMIC PA for 5G massive-MIMO base station applications

S Maroldt, M Ercoli - 2017 12th European Microwave …, 2017 - ieeexplore.ieee.org
This paper presents a high gain ultra-compact Doherty PA design approach based on 28 V
two-stage GaN MMICs. A 20 W asymmetric and 26 W symmetric Doherty amplifier operating …

Impact of nonideal auxiliary current profile on linearity of microwave Doherty amplifiers: Theory and experiments

HY Liu, J Xie, KKM Cheng - … on Circuits and Systems I: Regular …, 2022 - ieeexplore.ieee.org
A new nonlinear effect of Doherty power amplifier (DPA) caused by the nonideal auxiliary
current is disclosed. In contrary to traditional assumption, the auxiliary current profile is found …

Highly efficient fully integrated GaN-HEMT Doherty power amplifier based on compact load network

H Lee, W Lim, J Bae, W Lee, H Kang… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
This paper presents a fully integrated gallium-nitride high-electron-mobility transistor (GaN-
HEMT) Doherty power amplifier (DPA) based on a compact load network for small-cell …

2.6-GHz integrated LDMOS doherty power amplifier for 5G basestation applications

M Ahmed, X Hue, M Szymanowski… - IEEE Microwave and …, 2021 - ieeexplore.ieee.org
This letter presents a compact output combining network for a packaged integrated
asymmetric Doherty power amplifier (DPA) by taking advantage of device drain source …