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 …

Pseudo-Doherty load-modulated balanced amplifier with wide bandwidth and extended power back-off range

Y Cao, K Chen - IEEE Transactions on Microwave Theory and …, 2020 - ieeexplore.ieee.org
This article presents a novel architecture of load-modulated balanced amplifier (LMBA) with
a unique load-modulation characteristic different from any existing LMBAs and Doherty …

Asymmetrical load modulated balanced amplifier with continuum of modulation ratio and dual-octave bandwidth

Y Cao, H Lyu, K Chen - IEEE Transactions on Microwave …, 2020 - ieeexplore.ieee.org
This article presents a new load-modulation power amplifier (PA) architecture—
asymmetrical load-modulated balanced amplifier (ALMBA). It is for the first time discovered …

RF-input load modulated balanced amplifier with octave bandwidth

PH Pednekar, E Berry, TW Barton - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper presents an octave-bandwidth load modulated balanced amplifier (LMBA) that
operates directly on a single modulated RF input. The architecture is based on the recently …

A review of Doherty power amplifier and load modulated balanced amplifier for 5G technology

S Makhsuci, S Masoumeh Navidi… - … Journal of Circuit …, 2023 - Wiley Online Library
In this paper, functionality of the Doherty power amplifiers (DPAs) along with their design
constraints such as DPA combining techniques are reviewed. This is because power …

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 …

Symmetrical load modulated balanced power amplifier with asymmetrical output coupling for load modulation continuum

P Saad, R Hou - IEEE Transactions on Microwave Theory and …, 2022 - ieeexplore.ieee.org
This article presents a technique for load-modulated balanced amplifiers (LMBAs) to
achieve a continuum of load modulation (LM) ratio. This has been possible in prior arts …

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 …

A compact and broadband Doherty power amplifier without post-matching network

LH Zhou, XY Zhou, WS Chan - IEEE Transactions on Circuits …, 2022 - ieeexplore.ieee.org
Post-matching network (PMN) dominates broadband Doherty power amplifier (DPA) design,
but at the cost of large footprint. This brief presents a PMN-free, compact and broadband …

Multi-port active load pulling for mm-wave 5G power amplifiers: Bandwidth, back-off efficiency, and VSWR tolerance

CR Chappidi, T Sharma… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The opening of spectral bands in the millimeter-wave (mm-Wave) spectrum from 26 GHz
and extending up to the E-band poses new challenges to the power amplifier (PA) design for …