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TY - CPAPER AU - Hwang, J.G. AU - Forck, P. AU - Noh, S.Y. AU - Yang, T.K. TI - Development of High Precision Capacitive Beam Phase Probe for KHIMA Project J2 - Proc. of International Beam Instrumentation Conference (IBIC2015), Melbourne, Australia, 13-17 September 2015 AB - In the medium energy beam transport (MEBT) line of KHIMA project, a high precision beam phase probe monitor is required for a precise tuning of RF phase and amplitude of RFQ and IH-DTL. It is also used for measuring a kinetic energy of ion beam by time-of-flight (TOF) method using two phase probes. In this paper, we show the electromagnetic design of the high precision phase probe to satisfy the phase resolution of 1 deg (@ 200 MHz), the test result with a wire test bench to estimate a signal strength and phase accuracy, the design of the 0.2 ~ 2.0 GHz broad-band electronics for amplifying the signal strength, and the results of beam energy and RF frequency measurement using a proton beam from the cyclotron in KIRAMS. PB - JACoW CY - Geneva, Switzerland SP - 121 EP - 125 KW - pick-up KW - impedance KW - DTL KW - proton KW - ion DA - 2016/01 PY - 2016 SN - 978-3-95450-176-2 DO - 10.18429/JACoW-IBIC2015-MOPB037 UR - http://accelconf.web.cern.ch/AccelConf/IBIC2015/papers/mopb037.pdf ER -