The properties of photomultiplier tubes operating in the gating mode as components of scintillation detectors were investigated in high-power pulsed electromagnetic and nuclear radiation fields. Photomultiplier tubes with Venetian blind and linear focused dynode systems were considered. The diagrams of the gating circuits for the photomultipliers based on high-voltage dividers of the active and resistor types are presented. The results of our investigations are significant for a large number of experiments involving discrimination in time between the preceding background radiation and the useful signal.
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