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TY - CONF AU - Cogan, S. AU - Crisp, J.L. AU - Ford, T.M. AU - Lidia, S.M. ED - Schaa, Volker RW TI - First Results of Button BPMs at FRIB J2 - Proc. of IBIC2018, Shanghai, China, 9-13 September 2018 C1 - Shanghai, China T2 - International Beam Instrumentation Conference T3 - 7 LA - english AB - Commissioning and tuning the linac driver for the Facility for Rare Isotope Beams (FRIB) requires a large network of warm and cryogenic BPMs, with apertures of 40 - 150 mm, sensitivity to beam currents of 100 nA to 1 mA, and accurate for beams with velocities as low as 0.03c. We present initial results of the BPM system, analog and digital signal processing, distortion and error correction, and calibration for time of flight (TOF) measurements. Measurements for low energy beams are presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 311 EP - 313 KW - electron KW - electronics KW - linac KW - MMI KW - pick-up DA - 2018/11 PY - 2018 SN - 978-3-95450-201-1 DO - 10.18429/JACoW-IBIC2018-TUPC07 UR - http://jacow.org/ibic2018/papers/tupc07.pdf ER -