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TY - CONF AU - Lee, D.Y. AU - Choi, B.H. AU - Choi, C.O. AU - Jang, H. AU - Jung, H.C. AU - Son, K.T. ED - Pei, Guoxi ED - Schaa, Volker RW ED - Chin, Yong Ho ED - Fu, Shinian ED - Zhao, Ning TI - RF Stability Test of RFQ Cavity with Prototype Low-level Radio Frequency in RAON J2 - Proc. of LINAC2018, Beijing, China, 16-21 September 2018 CY - Beijing, China T2 - Linear Accelerator Conference T3 - 29 LA - english AB - RAON is a heavy ion accelerator of the Institute for Basic Sciences (IBS) in Korea. The prototype Low-Level Radio Frequency (LLRF) operated at 81.25 MHz has been designed and fabricated for a prototype Radio Fre-quency Quadrupole (RFQ) cavity in RAON. Stabilities of ±1 % in amplitude and ±1 degree in phase are required for specifications of the RFQ system. The prototype LLRF controls the RF amplitude and phase in the cavity by PID feedback loop. The prototype LLRF has been tested with one RFQ cavity and stabilities have been measured. In this paper, we present the design and results of stability test. PB - JACoW Publishing CP - Geneva, Switzerland SP - 204 EP - 206 KW - rfq KW - LLRF KW - cavity KW - controls KW - experiment DA - 2019/01 PY - 2019 SN - 2226-0366 SN - 978-3-95450-194-6 DO - DOI: 10.18429/JACoW-LINAC2018-MOPO094 UR - http://jacow.org/linac2018/papers/mopo094.pdf ER -