The Load-Modulated linearizer: A technique for intermodulation cancellation in PA systems

Anton Nikolaev Atanasov*, Wasam Mukhtar Ahmad, Mark Stefan Oude Alink, Frank E. van Vliet

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1 Citation (Scopus)
122 Downloads (Pure)

Abstract

Abstract—A novel application utilizing the load-modulated balanced amplifier (LMBA) principle to actively absorb individual out-of-band intermodulation components at the output of a power amplifier operating in high compression is presented. The system requires nearly the same amount of additional power as the IMD power it absorbs, making it very efficient. It retains the power conservation properties of the LMBA and achieves linearization at a very low power and complexity penalty.
Original languageEnglish
Title of host publication2022 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS)
Place of PublicationPhoenix, Arizona, USA
PublisherIEEE
Pages174-177
Number of pages4
ISBN (Electronic)978-1-6654-9132-7
ISBN (Print)978-1-6654-9133-4
DOIs
Publication statusPublished - 19 Oct 2022
EventIEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, BCICTS 2022 - Phoenix, United States
Duration: 16 Oct 202219 Oct 2022

Conference

ConferenceIEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, BCICTS 2022
Abbreviated titleBCICTS 2022
Country/TerritoryUnited States
CityPhoenix
Period16/10/2219/10/22

Keywords

  • Intermodulation
  • linearization
  • load-modulation
  • power amplifiers
  • compression
  • Nonlinearity
  • 5G
  • LMBA

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