A fast voltage preamplifier for use with MWPCs

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We report the development of a voltage preamplifier for use with ionizing particles detection. It has been designed to match the requirements of a test station for muon Multiwire Proportional Chambers (MWPC) of the LHCb experiment at CERN. Simulation results and bench test measurements are presented, which exhibit the main circuit features: gain close to 500, rise time below 20 ns, bandwidth exceeding 30 MHz, input noise lower than 10nV/Hz. Other results that demonstrate the applicability of the device in other contexts, specially with X-Ray imaging systems based on position sensitive detectors and proportional counters, are presented. © 2005 Elsevier B.V. All rights reserved.




Barbosa, A. F., & Da Silva, R. (2005). A fast voltage preamplifier for use with MWPCs. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 555(1–2), 93–100. https://doi.org/10.1016/j.nima.2005.09.012

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