A broadband Doherty power amplifier based on continuous-mode technology

X Chen, W Chen, FM Ghannouchi… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, a novel broadband Doherty power amplifier based on the continuous-mode
technique (C-DPA) is proposed. The amplifier is focused on manipulating harmonic …

Toward a more generalized Doherty power amplifier design for broadband operation

A Barakat, M Thian, V Fusco, S Bulja… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
The conventional Doherty power amplifier (DPA) theory is limited to single carrier
operations, leading to a nongeneric structure. This paper presents a new analysis that …

Broadband continuous-mode Doherty power amplifiers with noninfinity peaking impedance

W Shi, S He, X Zhu, B Song, Z Zhu… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
In this paper, a broadband continuous-mode Doherty power amplifier (CM-DPA) is realized
taking advantage of the noninfinity output impedances of peaking stage. Specifically, the …

A broadband Doherty power amplifier with hybrid class-EFJ mode

Z Zhang, Z Cheng, H Li, H Ke… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper proposes a method that employs novel hybrid continuous class-EFJ power
amplifiers (PAs) as carrier PA to design a broadband high-efficiency Doherty power amplifier …

A mixed topology for broadband high-efficiency Doherty power amplifier

XY Zhou, WS Chan, SY Zheng, W Feng… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In this paper, a mixed topology for high efficiency, broadband Doherty power amplifier (DPA)
is proposed. The transistor gate biases are set to deep Class-AB for the carrier device and …

Novel dual-band equal-cell Doherty amplifier design with extended power back-off range

HY Liu, C Zhai, KKM Cheng - IEEE Transactions on Microwave …, 2019 - ieeexplore.ieee.org
In this article, for the first time, a new and generalized design methodology for dual-band
Doherty power amplifier (DPA) is presented. Owing to the adoption of equal-cell architecture …

Improved Doherty amplifier design with minimum phase delay in output matching network for wideband application

J Xia, M Yang, A Zhu - IEEE microwave and wireless …, 2016 - ieeexplore.ieee.org
This letter presents an improved Doherty power amplifier (DPA) for high-efficiency and
wideband operations. To achieve the impedance transformations both in the low power …

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 …

A 28-GHz beamforming Doherty power amplifier with enhanced AM-PM characteristic

X Fang, J Xia, S Boumaiza - IEEE Transactions on Microwave …, 2020 - ieeexplore.ieee.org
This article presents a beamforming Doherty power amplifier (B-DPA) for the 28-GHz fifth-
generation (5G) newradio band. The proposed B-DPA is based on a new combiner topology …

Linearity-enhanced Doherty power amplifier using output combining network with predefined AM–PM characteristics

X Fang, A Chung, S Boumaiza - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, a new method is proposed to synthesize a linearity-enhanced Doherty power
amplifier (DPA) without deteriorating its efficiency. This method determines the combiner …