简介：TheserviceprovidedbytheGC(GammaCameras)intheNuclearMedicinedepartmentsfailsbecauseoftheirbreakdown,generallyduetotheassociatedelectronicsandnottothephysicaldetectioncomponents.Forthisreason,itwasdecidedtodevelopanelectronicsystemthatallowstherecoveryandoptimizationofdisusedGC,startingwiththedesignofthepreamplifierforaPMT(photomultipliertube).Thecircuitwasdesignedandsimulatedandthelistofcomponentsnecessaryfortheconstructionofthepreamplifierwasgenerated,aswellastheprintedcircuitboardwasdesignedforitsassembly.Bysimulatingthepreamplifierthisworkedinlinearmode.Thisdeterminesthattheamplitudeoftheoutputsignalisproportionaltotheamountofchargedeliveredbythedetector.ThiscardallowsanautomaticadjustmentofthesignalsofthePMTasdothemodernGC.

简介：