What is it about?
High power amplifiers at killowat level, usually use bulky components, such as baluns in a typical push-pull configuration. This paper demonstrates the feasibility and very good performance of such an amplifier in a single-ended architecture, i.e. avoiding using baluns but only planar microstrip lines and surface mounted components.
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Why is it important?
Solid-state r.f. high power amplifiers are increasingly used as energy systems in large variety of systems including: particle accelerators, such as cyclotrons and LINACs and in a large variety of applications: radionuclide production, particle therapy for cancer treatment, and synchrotron light sources for scientific studies. It remained unclear if a simple architecture could be adopted for a power amplifier at kilowatt-level
Perspectives
We demonstrate that the single ended architecture is also suitable for such high r.f. power and could further be adopted by the r.f. designers community. The prototype is designed at 352 MHz for the ESS LINAC which is presently under construction in Lund, Sweden.
Dr. Dragos Dancila
Uppsala Universitet
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This page is a summary of: Kilowatt-level power amplifier in a single-ended architecture at 352 MHz, Electronics Letters, September 2016, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/el.2016.2117.
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