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TY - UNPB AU - Monakhov, D.V. AU - Gorbachev, E.V. ED - Kuzin, Maksim V. ED - Schaa, Volker RW TI - Development of RF Preamplifiers for the BPM of the NICA Colliding Rings J2 - presented at RuPAC2021, Alushta, Crimea, 27 September-01 October 2021 CY - Alushta, Crimea T2 - Russian Particle Accelerator Conference T3 - 27 LA - english AB - This paper describes the design and development of high frequency sensitive amplifiers for the BPM system of the NICA collider. The BPM system is based on the Libera Handron equipment which allows to observe ion beam position and intensity from the beginning of the injection to the end of the acceleration cycle. High frequency band (500 MHz) of preamplifiers is necessary for measuring the short signals (2 ns) from pick-up stations of the NICA collider ring. Design of such wide band preamplifiers is carefully done and tested using gauss signals. ER -