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DB Science 400 kW RF Station Site Acceptance Test
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)
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy. (FREIA)
2017 (English)Report (Other (popular science, discussion, etc.))
Abstract [en]

The manufactured and delivered DB-Science 400 kW RF station was tested on site at FREIA during 2016. The station can successfully deliver continuous pulse-trains with a power-level up to 400 kW, however during most of the on-site measurements and testing the total combiner output power was limited to 360 kW due to unusually high G2 currents measured in one of the spare TH595 tetrode tubes used in the station. Each of the stations 200 kW tetrode based amplifier sections were mounted with TH595 tetrode tubes from Thales and tuned for optimal performance. The gain of the tetrode amplifiers were roughly 15 dB with some variation between the two amplifier sections and the overall gain was approximately 74 dB maximum. Amplitude and phase pulse variations were within the specified levels.

Place, publisher, year, edition, pages
2017.
Series
FREIA Report ; 2017/01
Keyword [en]
FREIA, ESS, RF, High Power, Tetrode, Amplifier, Test, Evaluation, Prototype
National Category
Accelerator Physics and Instrumentation
Identifiers
URN: urn:nbn:se:uu:diva-313316OAI: oai:DiVA.org:uu-313316DiVA, id: diva2:1066750
Available from: 2017-01-19 Created: 2017-01-19 Last updated: 2017-01-23Bibliographically approved

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Jobs, MagnusWedberg, RolfGajewski, Konrad
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CiteExportLink to record
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