A broadband linear ultra-compact mm-wave power amplifier with distributed-balun output network: Analysis and design

F Wang, H Wang - IEEE Journal of Solid-State Circuits, 2021 - ieeexplore.ieee.org
This article presents a broadband power amplifier (PA) with a distributed-balun output
network that provides the PA optimum load impedance over a wide bandwidth. The …

A 28-GHz SOI-CMOS Doherty power amplifier with a compact transformer-based output combiner

Z Zong, X Tang, K Khalaf, D Yan… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents a series voltage-combining Doherty power amplifier (PA) achieving
high output power (P out) and high power-back-off (PBO) efficiency for 28-GHz fifth …

A coupler-based differential mm-wave Doherty power amplifier with impedance inverting and scaling baluns

HT Nguyen, H Wang - IEEE Journal of Solid-State Circuits, 2020 - ieeexplore.ieee.org
Designing Doherty power amplifiers (PAs) at high millimeter-wave (mm-Wave) range
remains a major challenge because most Doherty combiners at this frequency band are …

A super-resolution mixed-signal Doherty power amplifier for simultaneous linearity and efficiency enhancement

F Wang, TW Li, S Hu, H Wang - IEEE Journal of Solid-State …, 2019 - ieeexplore.ieee.org
This article presents a mixed-signal Doherty power amplifier (MSDPA) architecture for
simultaneous linearity and efficiency enhancement. The MSDPA comprises one analog …

A reconfigurable hybrid series/parallel Doherty power amplifier with antenna VSWR resilient performance for MIMO arrays

NS Mannem, MY Huang, TY Huang… - IEEE Journal of Solid …, 2020 - ieeexplore.ieee.org
Antenna load impedance variations typically cause significant power amplifier (PA)
performance degradation, including output power, large-signal linearity, and peak/average …

A high-power broadband multi-primary DAT-based Doherty power amplifier for mm-wave 5G applications

F Wang, H Wang - IEEE Journal of Solid-State Circuits, 2021 - ieeexplore.ieee.org
Silicon-based millimeter-wave (mm-Wave) power amplifiers (PAs) with high power and high
peak/back-off efficiency are highly desired to efficiently amplify multi-Gb/s 5G NR signals …

A MM-wave current-mode inverse outphasing transmitter front-end: A circuit duality of conventional voltage-mode outphasing

S Li, MY Huang, D Jung, TY Huang… - IEEE Journal of Solid …, 2020 - ieeexplore.ieee.org
This article presents a millimeter-wave (mm-wave) transmitter (TX) front-end employing a
new inverse outphasing architecture with current-mode power amplifiers (PAs). This study …

A 28-GHz Doherty power amplifier with a compact transformer-based quadrature hybrid in 65-nm CMOS

C Yu, J Feng, D Zhao - … Transactions on Circuits and Systems II …, 2021 - ieeexplore.ieee.org
This brief presents a single-ended, two-stage, and symmetric Doherty power amplifier
(DPA). A rigorous and closed-form formula is proposed to design the transformer-based …

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

X Fang, J **a, 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 …

A coupler balun load-modulated power amplifier with extremely wide bandwidth

TY Huang, NS Mannem, S Li, D Jung… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Next-generation millimeter-wave (mm-Wave) power amplifiers (PAs) need to support
multistandard communication systems with wide bandwidth, complex modulation, and high …