William Hallberg

Showing 18 publications

2021

An Active Load-Pull Technique to Emulate Outphasing Power Amplifiers

Jose-Ramon Perez-Cisneros, William Hallberg, Koen Buisman
2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021, p. 24-27
Paper in proceeding
2021

Emulation of Load Modulated Amplifiers Using Tabulated Load-Pull Data from a Single Amplifier

Jose-Ramon Perez-Cisneros, William Hallberg, Christian Fager et al
2020 50th European Microwave Conference, EuMC 2020, p. 676-679
Paper in proceeding
2021

Mixed-Mode Active Load-Pull Using one Single-Ended Device-Under-Test

Koen Buisman, Jose-Ramon Perez-Cisneros, William Hallberg et al
2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021, p. 20-23
Paper in proceeding
2021

Emulation of a Multi-Stage Differential Amplifier Using one Single-Ended Device-Under-Test

Koen Buisman, Jose-Ramon Perez-Cisneros, William Hallberg et al
2021 96TH ARFTG MICROWAVE MEASUREMENT CONFERENCE (ARFTG): MEASUREMENT TECHNIQUES FOR ACCELERATING THE DESIGN OF 5G CIRCUITS AND SYSTEMS
Paper in proceeding
2020

A Dual-Fed PIFA Antenna Element With Nonsymmetric Impedance Matrix for High-Efficiency Doherty Transmitters: Integrated Design and OTA-Characterization

Oleg Iupikov, William Hallberg, Rob Maaskant et al
IEEE Transactions on Antennas and Propagation. Vol. 68 (1), p. 21-32
Journal article
Show project
2020

Emulation of Doherty Amplifiers Using Single- Amplifier Load-Pull Measurements

William Hallberg, Dhecha Nopchinda, Christian Fager et al
IEEE Microwave and Wireless Components Letters. Vol. 30 (1), p. 47-49
Journal article
2019

A 10.8-GHz GaN MMIC Load-Modulated Amplifier

Allison Duh, Maxwell Duffy, William Hallberg et al
2019 49th European Microwave Conference, EuMC 2019, p. 408-411
Paper in proceeding
2019

Combiner synthesis for active load-modulationbased power amplifiers

MUSTAFA ÖZEN, William Hallberg, Christian Fager
Radio Frequency and Microwave Power Amplifiers: Efficiency and Linearity Enhancement Techniques, p. 225-253
Book chapter
2018

A Generalized 3-dB Wilkinson Power Divider/Combiner With Complex Terminations

William Hallberg, Mustafa Ozen, Dan Kuylenstierna et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 66 (10), p. 4497-4506
Journal article
2018

Supply Modulation of a Linear Doherty Power Amplifier

Dan Fishler, Tommaso Cappello, William Hallberg et al
2018 48th European Microwave Conference, EuMC 2018, p. 519-522
Paper in proceeding
2018

Characterization of linear power amplifiers for LTE applications

William Hallberg, Paolo Enrico De Falco, MUSTAFA ÖZEN et al
PAWR 2018 - Proceedings 2018 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications. Vol. 2018-January, p. 32-34
Paper in proceeding
Show project
2018

Analysis and Design of a Doherty-Like RF-Input Load Modulated Balanced Amplifier

Prathamesh H. Pednekar, William Hallberg, Christian Fager et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 66 (12), p. 5322-5335
Journal article
2017

Design of linear and efficient power amplifiers by generalization of the Doherty theory

Christian Fager, William Hallberg, MUSTAFA ÖZEN et al
Proceedings of the 2017 IEEE Topical Conference on Power Amplifiers for Wireless and Radio Applications, p. 29-32
Paper in proceeding
2016

A Doherty Power Amplifier Design Method for Improved Efficiency and Linearity

William Hallberg, MUSTAFA ÖZEN, David Gustafsson et al
IEEE Transactions on Microwave Theory and Techniques. Vol. 64 (12), p. 4491-4504
Journal article
2016

Current scaled Doherty amplifier for high efficiency and high linearity

William Hallberg, MUSTAFA ÖZEN, Christian Fager
IEEE MTT-S International Microwave Symposium Digest. Vol. 2016-August, p. Art. no. 7540185-
Paper in proceeding
2015

A class-J power amplifier with varactor-based dynamic load modulation across a large bandwidth

William Hallberg, David Gustafsson, MUSTAFA ÖZEN et al
2015 IEEE MTT-S International Microwave Symposium, IMS 2015
Paper in proceeding

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Showing 1 research projects

2013–2017

Energy efficient millimeter wave transmitters

Dan Kuylenstierna Microwave Electronics
Christian Fager Microwave Electronics
Herbert Zirath Microwave Electronics
Niklas Rorsman Microwave Electronics
William Hallberg Microwave Electronics
Mattias Thorsell Microwave Electronics
VINNOVA

1 publication exists
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