A dual-band dual-output power amplifier for carrier aggregation

T Cappello, A Duh, TW Barton… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper demonstrates a high-efficiency dualband RF power amplifier (PA) for sub-6 GHz
5G carrier aggregation. The dual-band PA is tested with modulated signals generated by a …

Supply-and load-modulated balanced amplifier for efficient broadband 5G base stations

T Cappello, P Pednekar, C Florian… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
This paper presents a broadband efficient power amplifier (PA) targeting sub-6-GHz 5G
base station applications. Due to the demanding requirements in both peak-to-average …

Highly linear and highly efficient dual-carrier power amplifier based on low-loss RF carrier combiner

K Chen, EJ Naglich, YC Wu… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper presents a novel power amplifier (PA) architecture for amplifying dual-carrier
signals with simultaneous high efficiency and high linearity. This dual-carrier PA is based on …

Digitally assisted dual-switch high-efficiency envelope amplifier for envelope-tracking base-station power amplifiers

C Hsia, A Zhu, JJ Yan, P Draxler… - IEEE Transactions …, 2011 - ieeexplore.ieee.org
This paper presents a novel digitally assisted dual-switch envelope amplifier used for
wideband high-efficiency envelope-tracking (ET) base-station power amplifiers (PAs). The …

Experimental validation of a four-way outphasing combiner for microwave power amplification

TW Barton, JL Dawson… - IEEE Microwave and …, 2013 - ieeexplore.ieee.org
This letter presents a 2.14 GHz, four-way power combining and outphasing system for high-
power amplifiers such as those in radio basestations (RBS). The combiner is ideally …

A novel 3-way dual-band Doherty power amplifier for enhanced concurrent operation

R Alsulami, P Roblin, JI Martinez-Lopez… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents the architecture and design methodology for a new type of dual-band
Doherty power amplifier (DB-DPA), referred to as 3-Way DB-DPA, which consists of a main …

The wireless workhorse: Mixed-signal power amplifiers leverage digital and analog techniques to enhance large-signal RF operations

H Wang, S Kousai, K Onizuka… - IEEE Microwave …, 2015 - ieeexplore.ieee.org
The ever-growing demand for higher data rates, power efficiency, and robust operations
poses increasingly stringent performance requirements on wireless transceiver systems …

2.7 A wideband 28GHz power amplifier supporting 8× 100MHz carrier aggregation for 5G in 40nm CMOS

S Shakib, M Elkholy, J Dunworth… - … Solid-State Circuits …, 2017 - ieeexplore.ieee.org
To meet rising demand, broadband-cellular-data providers are racing to deploy fifth
generation (5G) mm-wave technology, eg, rollout of some 28GHz-band services is intended …

Efficient multisignal 2–4-GHz power amplifier with power tracking

MR Duffy, G Lasser, M Olavsbråten… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
The goal of the work presented in this paper is to demonstrate an efficient method of
amplifying multiple concurrent signals over a large bandwidth using a supply modulation …

Linearization of concurrent dual-band power amplifier based on 2D-DPD technique

SA Bassam, W Chen, M Helaoui… - IEEE Microwave and …, 2011 - ieeexplore.ieee.org
This letter reports a two-dimensional digital predistortion technique to compensate for the
nonlinearity of a concurrent dual band PA. Two different multi-carrier WCDMA signals with …