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 …

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 …

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 …

Improved three-stage Doherty amplifier design with impedance compensation in load combiner for broadband applications

J Xia, W Chen, F Meng, C Yu… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper presents a broadband three-stage Doherty power amplifier (DPA) using
impedance compensation for bandwidth extension. Different from the conventional design …

Broadband RF-input continuous-mode load-modulated balanced power amplifier with input phase adjustment

J Pang, C Chu, Y Li, A Zhu - IEEE transactions on microwave …, 2020 - ieeexplore.ieee.org
This article presents the theory and design methodology of broadband RF-input continuous-
mode load-modulated balanced power amplifier (CM-LMBA) by introducing the CM output …

A 24–28-GHz GaN MMIC synchronous Doherty power amplifier with enhanced load modulation for 5G mm-wave applications

RJ Liu, XW Zhu, J Xia, ZM Zhao, Q Dong… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
In this article, a load-modulation enhanced wideband compact high-efficiency millimeter-
wave (mm-wave) gallium nitride (GaN) monolithic microwave integrated circuit (MMIC) …

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 …

Waveform Engineered Sequential Load Modulated Balanced Amplifier With Continuous Class-F−1 and Class-J Operation

C Chu, T Sharma, SK Dhar, R Darraji… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents a novel waveform engineered sequential load modulated balanced
amplifier (W-SLMBA) that uses a continuous Class-F− 1 control amplifier (CA) to manipulate …

A generic theory for design of efficient three-stage Doherty power amplifiers

H Zhou, JR Perez-Cisneros, S Hesami… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
An analytical load—pull-based design methodology for three-stage Doherty power
amplifiers (PAs) is presented and demonstrated. A compact output combiner network …

Octave bandwidth Doherty power amplifier using multiple resonance circuit for the peaking amplifier

H Kang, H Lee, W Lee, H Oh, W Lim… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
This paper presents a broadband Doherty power amplifier (DPA) design with an octave
bandwidth based on a new load network consisting of a quasi-lumped impedance …