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| THPIK088 |
A Compact 10 kW Solid-State RF Power Amplifier at 352 MHz |
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- D.S. Dancila, A. Rydberg
Uppsala University, Department of Engineering Sciences, Uppsala, Sweden
- A.E.T. Hjort, L. Hoang Duc, M.H. Holmberg, M. Jobs, R.J.M.Y. Ruber
Uppsala University, Uppsala, Sweden
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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 measurements, a total output peak power of 10.5 kW was measured.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-THPIK088
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