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 …

Broadband highly efficient Doherty power amplifiers

XY Zhou, WS Chan, S Chen… - IEEE Circuits and …, 2020 - ieeexplore.ieee.org
Modern wireless communication systems with large bandwidth and high peak-to-average
power ratios (PAPRs) have been and will continue to be in high demand. This puts a strain …

Empowering the bandwidth of continuous-mode symmetrical Doherty amplifiers by leveraging on fuzzy logic techniques

G Naah, R Giofrè - IEEE Transactions on Microwave Theory …, 2019 - ieeexplore.ieee.org
Achieving a fractional bandwidth (FBW) of more than 60% has been a challenging problem
for two-way symmetrical Doherty power amplifiers (TW-SDPAs) that are designed using a …

[PDF][PDF] Broadband GaAs FET power amplifier for L and S bands applications

M Ribate, J Zbitou, R Mandy, A Erkik… - International Journal of …, 2018 - academia.edu
This paper proposes a Broadband Power Amplifier (BPA) for L and S bands applications
based on ATF13786 transistor, using GaAs process. To improve the broadband …

Symmetrical Doherty power amplifier design via continuous harmonic-tuned Class-J mode

G Naah, S He, W Shi, C Li - AEU-International Journal of Electronics and …, 2019 - Elsevier
This paper proposes bandwidth and efficiency improvements of symmetrical Doherty power
amplifiers (SDPAs) using continuous harmonic-tuned Class-J mode (CHTCJM). By this …

Design of Ultra-Wideband Doherty Power Amplifier Using a Modified Combiner Integrated with Complex Combining Impedance

J Chen, Z Liu, T Dong, W Shi - Sensors, 2023 - mdpi.com
To be compatible with future wireless communication systems, it is very necessary to extend
the bandwidth of the Doherty power amplifier (DPA). In this paper, a modified combiner …

A planner Doherty power amplifier with harmonic suppression with open and short ended stubs

S Lotfi, S Roshani, S Roshani, M Shirzadian Gilan - Frequenz, 2022 - degruyter.com
This paper presents a new Doherty power amplifier (DPA) with harmonics suppression. A
Wilkinson power divider (WPD) with open-ended and short-ended stubs is designed to …

Harmonic‐tuned continuum mode active load modulation output combiner for the design of broadband asymmetric Doherty power amplifiers

G Naah, S He, W Shi, C Li… - … Microwaves, Antennas & …, 2019 - Wiley Online Library
The conventional Doherty output combiner limits the bandwidth of operation in the
asymmetric Doherty power amplifiers (DPAs). In this study, an output combiner that is …

Characteristics modeling of GaN class-AB dual-band PA under different temperature and humidity conditions

S Zhou, AK Jha - IEEE Access, 2021 - ieeexplore.ieee.org
As the technology scales down, besides the CAD tools and design guidelines,
understanding circuit performance degradation as a consequence of transistor degradation …

[PDF][PDF] 1.25 GHz–3.3 GHz broadband solid state power amplifier for L and S bands applications

M Ribate, R Mandry, J Zbitou… - International Journal of …, 2019 - academia.edu
The research of a single stage broadband solid-state power amplifier based on ATF13876
transistor, which operates in the frequency ranging from 1.25 GHz~ 3.3 GHz is presented in …