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TY - CONF AU - Juntong, N. AU - Chanwattana, T. AU - Chunjarean, S. AU - Krainara, S. AU - Manasatitpong, K. AU - Phimsen, T. AU - Pulampong, T. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - The New Design of the RF System for the SPS-II Light Source J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021 CY - Campinas, SP, Brazil T2 - International Particle Accelerator Conference T3 - 12 LA - english AB - The new light source facility in Thailand, SPS-II, is a ring-based 3 GeV light source with a circumference of approximately 330 m. The target stored beam current is 300 mA with an emittance of below 1.0 nm rad. The injector has been changed from a full energy linac to a booster injector with 150 MeV linac. The main RF frequency has been reconsidered to a low-frequency range at 119 MHz. Low frequency is chosen with the benefit of low RF voltage for a high RF acceptance together with experience with the present ring RF system of 118 MHz. Details of RF frequency consideration will be discussed. The requirements and details of the RF systems in the booster ring and the storage ring will be presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 1110 EP - 1112 KW - cavity KW - storage-ring KW - booster KW - impedance KW - linac DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-MOPAB357 UR - https://jacow.org/ipac2021/papers/mopab357.pdf ER -