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TY - CONF AU - Yan, J. AU - Allison, T.L. AU - Bruhwel, S. AU - Lu, W. ED - Schaa, Volker RW TI - Signal Processing for Beam Loss Monitor System at Jefferson Lab J2 - Proc. of IBIC2018, Shanghai, China, 09-13 September 2018 CY - Shanghai, China T2 - International Beam Instrumentation Conference T3 - 7 LA - english AB - Ion Chamber and Photomultiplier Tube (PMT) were both used for beam loss monitor in the Machine Protection System (MPS) at Jefferson Lab. The requirements of signal processing of these detectors are different, so two VME-based signal processing boards, Beam Loss Monitor (BLM) board and Ion-Chamber board, were developed. The BLM board has fast response (< 1us) and 5 decades dynamic range from 10nA to 1 mA, while the Ion-Chamber board has 8 decades dynamic range from 100 pA to 10 mA and slower response. Both of boards provide functions of machine protection and beam diagnostics, and have features of fast shutdown (FSD) interface, beam sync interface, built-in-self-test, remotely controlled bias signals, and on-board memory buffer. PB - JACoW Publishing CP - Geneva, Switzerland SP - 245 EP - 248 KW - machine-protect KW - FPGA KW - controls KW - detector KW - operation DA - 2019/01 PY - 2019 SN - 978-3-95450-201-1 DO - DOI: 10.18429/JACoW-IBIC2018-TUPA16 UR - http://jacow.org/ibic2018/papers/tupa16.pdf ER -