A new high-power low-loss air-dielectric stripline Gysel divider/combiner for particle accelerator applications at 352 MHz

This study presents a new two-way Gysel combiner based on an air-dielectric stripline which allows to handle very high radio-frequency power levels with low-loss suitable for power combination in accelerator applications. The insertion loss of the combiner is 0.1 dB (2%). A thick stripline implement...

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Bibliographic Details
Published in:IET control theory & applications 2018 (5), p.264
Main Authors: Hoang Duc, Long, Nguyen Dinh The, Anh, Bach Gia, Duong, Jobs, Magnus, Ruber, Roger, Dancila, Dragos
Format: Article
Language:English
Online Access:Get full text
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Summary:This study presents a new two-way Gysel combiner based on an air-dielectric stripline which allows to handle very high radio-frequency power levels with low-loss suitable for power combination in accelerator applications. The insertion loss of the combiner is 0.1 dB (2%). A thick stripline implementation allows improving the power capability in both continuous wave (CW) and pulsed operation. In addition, a mechanical tuner allows compensating for assembly and fabrication discrepancies. A methodology of designing the Gysel combiner as well as high-power measurements up to 22 kW in pulsed mode are presented. Simulations and measurements are in very good agreement.
ISSN:1751-8652
1751-8644
DOI:10.1049/joe.2017.0793