A review of GaN HEMT broadband power amplifiers

KH Hamza, D Nirmal - AEU-International Journal of Electronics and …, 2020 - Elsevier
The unique material properties of GaN, wide bandgap, high thermal conductivity, high
breakdown voltage, high electron mobility and the device properties of GaN HEMT (High …

The Doherty power amplifier: Review of recent solutions and trends

V Camarchia, M Pirola, R Quaglia, S Jee… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
In this paper, an extensive review of the most up-to-date papers on microwave Doherty
power amplifiers is presented. The main applications are discussed, together with the …

Analysis and design of highly efficient wideband RF-input sequential load modulated balanced power amplifier

J Pang, Y Li, M Li, Y Zhang, XY Zhou… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
The analysis and design of an RF-input sequential load modulated balanced power
amplifier (SLMBA) are presented in this article. Unlike the existing LMBAs, in this new …

A post-matching Doherty power amplifier employing low-order impedance inverters for broadband applications

J Pang, S He, C Huang, Z Dai, J Peng… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper presents a modified Doherty configuration with extended bandwidth. The narrow
band feature of the conventional Doherty amplifier is discussed in the view of the broadband …

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 …

Symmetrical Doherty power amplifier with extended efficiency range

M Özen, K Andersson, C Fager - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A symmetrical Doherty power amplifier (PA) with an extended efficiency range is proposed.
This paper proves the existence of a class of symmetrical Doherty PAs having efficiency …

A broadband high-efficiency Doherty power amplifier with integrated compensating reactance

J Xia, M Yang, Y Guo, A Zhu - IEEE Transactions on Microwave …, 2016 - ieeexplore.ieee.org
This paper presents a high-efficiency gallium nitride Doherty power amplifier (DPA) using an
integrated compensating reactance (CR) for broadband operation. With an additional …

Breaking the bandwidth limit: A review of broadband Doherty power amplifier design for 5G

G Nikandish, RB Staszewski… - IEEE Microwave …, 2020 - ieeexplore.ieee.org
The next generation wireless network, 5G, is expected to provide ubiquitous connections to
billions of devices as well as to unlock many new services through multigigabit-per-second …

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 …

Doherty's legacy: a history of the Doherty power amplifier from 1936 to the present day

R Pengelly, C Fager, M Ozen - IEEE Microwave Magazine, 2016 - ieeexplore.ieee.org
Eighty years ago, William Doherty invented a PA architecture that has played-and will
continue to play-an important role in the development of energy-efficient radio transmitters …