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- Argaez Ramirez, Roger,1991Chalmers tekniska högskola,Chalmers University of Technology (author)
Investigation of power amplifier performance under load mismatch conditions
- Article/chapterEnglish2021
Publisher, publication year, extent ...
- 2021
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:research.chalmers.se:b3be0c5f-cb9f-4b59-9f5b-5db0c13f90a7
- https://doi.org/10.1109/PAWR51852.2021.9375507DOI
- https://research.chalmers.se/publication/523335URI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- The time-varying loading conditions that power amplifiers (PAs) experience in active antenna systems degrade their overall performance. Consequently, the design of linear and highly-efficient PAs under mismatch is more important than ever. In this paper, different common and promising PA architectures, i.e. class-B, balanced, Doherty (DPA) and load-modulated-power-amplifier (LMBA), are analyzed under mismatch. Their sensitivity in terms of linearity, efficiency and output power is compared under a LTE signal excitation. Average drain efficiency (DE), average output power, normalized-mean-square-error (NMSE) as well as maximum output power variations are presented for each architecture as function of the voltage-standing-waveratio (VSWR). Thereby, the most suitable PA architecture to be integrated in active antenna systems may be identified.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Reglerteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Control Engineering hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Signalbehandling hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Signal Processing hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Annan elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- efficiency
- mismatch
- power amplifier
- class-B
- Doherty
- linearity
- load modulated balanced amplifier
- active antenna system
Added entries (persons, corporate bodies, meetings, titles ...)
- Perez-Cisneros, Jose-Ramon,1983Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)jospere (author)
- Fager, Christian,1974Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)e3fager (author)
- Chalmers tekniska högskola (creator_code:org_t)
Related titles
- In:2021 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2021, s. 41-43
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