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TY - CONF AU - Stulle, F. AU - Barth, W.A. AU - Dupuy, L. AU - Forck, P. AU - Miski-Oglu, M. AU - Sieber, T. AU - Touzain, E.T. ED - Schaa, Volker RW ED - Jansson, Andreas ED - Shea, Thomas ED - Olander, Johan TI - Beam Current Measurements with Sub-Microampere Resolution using CWCT and BCM-CW-E J2 - Proc. of IBIC2019, Malmö, Sweden, 08-12 September 2019 CY - Malmö, Sweden T2 - International Beam Instrumentation Conferenc T3 - 8 LA - english AB - The CWCT current transformer and its accompanying BCM-CW-E electronics allow accurate, high-resolution beam current measurements. This is achieved by combining a high-droop current transformer with low-noise sample-and-hold electronics. Thanks to a fast response time on the microseconds level the system can be applied not only to CW beams but also macropulses. Pulse repetition rates may range from 10MHz to 500MHz, rendering CWCT and BCM-CW-E suitable for a wide variety of accelerators. We report on test bench measurements achieving sub-microampere resolution. And we discuss results of beam measurements performed at the cwLINAC (GSI), which confirm the expected performance. PB - JACoW Publishing CP - Geneva, Switzerland SP - 63 EP - 66 KW - linac KW - instrumentation KW - electronics KW - electron KW - acceleration DA - 2019/11 PY - 2019 SN - 2673-5350 SN - 978-3-95450-204-2 DO - doi:10.18429/JACoW-IBIC2019-MOPP003 UR - http://jacow.org/ibic2019/papers/mopp003.pdf ER -