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A compact 10 kW solid-state RF power amplifier at 352 MHz
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, FREIA. Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics. Uppsala University. (Microwave group)ORCID iD: 0000-0002-2217-8032
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, FREIA. Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, FREIA.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, FREIA.
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2017 (English)In: Journal of Physics, Conference Series, ISSN 1742-6588, E-ISSN 1742-6596, Vol. 874, article id 012093Article in journal (Refereed) Published
Abstract [en]

A compact 10 kW RF power amplifier at 352 MHz was developed at FREIA for the European Spallation Source, ESS. The specifications of ESS for the conception of amplifiers are related to its pulsed operation: 3.5 ms pulse length and a duty cycle of 5%. The realized amplifier is composed of eight kilowatt level modules, combined using a planar Gysel 8-way combiner. The combiner has a low insertion loss of only 0.2 dB, measured at 10 kW peak power. Each module is built around a commercially available LDMOS transistor in a single-ended architecture. During the final tests, a total output peak power of 10.5 kW was measured.

Place, publisher, year, edition, pages
2017. Vol. 874, article id 012093
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:uu:diva-334907DOI: 10.1088/1742-6596/874/1/012093ISI: 000411396700093OAI: oai:DiVA.org:uu-334907DiVA, id: diva2:1161102
Conference
8th International Particle Accelerator Conference 14–19 May 2017, Copenhagen, Denmark
Projects
ESS
Available from: 2017-11-29 Created: 2017-11-29 Last updated: 2018-03-20Bibliographically approved

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Dancila, DragosHoang Duc, LongJobs, MagnusHolmberg, MånsHjort, AdamRydberg, AndersRuber, Roger
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