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This research develops a 16-kW cavity combiner for RF amplifiers, suggesting improved power combining efficiency in superconducting systems.
NSRRC builds four home-made solid state power amplifier towers to provide 300 kW for one superconducting RF cavity at TPS. The power combining tree of one tower is two-stages structure with a complex wire connection. In order to simplify the wire connection and increase the power combining efficiency, we de-vote resources to develop the cavity combiner. In this study, a 16-kw, 21-ports cavity combiner is designed and manufactured as the cornerstone for an 80-kw, 101-ports cavity combiner in the future. The RF properties, S11 and S21, of output port were simulated and measured to evaluate the combining efficiency.
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Chang et al. (2025) studied this question.
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