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A Low-Threshold Discriminator for Resistive-Plate Chambers

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Abstract

A low-threshold amplifier–discriminator (AD) is intended for reading information from resistive-plate chambers (RPCs) and consists of a preamplifier and discriminator. The minimum operation threshold of the device is 60 μV at an input impedance of 25 Ω, which corresponds to a charge of 0.12 pC induced on a strip. The AD time jitter is below 0.6 ns over an input signals range of (2–20)U thr. The preamplifier noise referred to the input is <25 μV (rms). The AD was developed for testing RPCs for the ATLAS (CERN) experiment.

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Authors and Affiliations

  1. State Research Center of the Russian Federation, Institute for High-Energy Physics, ul. Pobedy 1, Protvino, Moscow oblast, 142281, Russia

    E. A. Usenko

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  1. E. A. Usenko
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Usenko, E.A. A Low-Threshold Discriminator for Resistive-Plate Chambers. Instruments and Experimental Techniques 46, 35–38 (2003). https://doi.org/10.1023/A:1022575005121

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  • DOI: https://doi.org/10.1023/A:1022575005121

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