Speaker
Iago Carvalho de Almeida
(Brazilian Center for Research in Energy and Materials)
Description
Solid-state RF amplifiers (SSAs) are being developed to compose SIRIUS storage ring’s RF plant for operation with superconducting cavities. Each amplifier must deliver up to 65 kW of RF power at 500 MHz and a high AC-to-RF efficiency is desired to minimize operation costs. To this end, amplifier modules able to deliver 900 W with approximately 70 % DC-to-RF efficiency were designed. To combine the output of 80 modules, a cavity combiner was simulated and a prototype was assembled. This paper presents the performance of the RF modules obtained from a pilot batch, as well as measurement results from the cavity combiner at low RF power. Finally, a summary on the ongoing development of solid-state amplifiers is presented.
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Author
Mark Hoffmann Wallner
(Brazilian Center for Research in Energy and Materials)
Co-authors
André Pontes Barbosa Lima
(Brazilian Center for Research in Energy and Materials)
David Daminelli
(Brazilian Center for Research in Energy and Materials)
Felipe Koji Godinho Hoshino
(Brazilian Synchrotron Light Laboratory)
Iago Carvalho de Almeida
(Brazilian Center for Research in Energy and Materials)
Ruy Farias
(Brazilian Center for Research in Energy and Materials)
Thiago Villar de Carvalho
(Brazilian Center for Research in Energy and Materials)
Vitor Freire
(Brazilian Center for Research in Energy and Materials)