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An all-digital data acquisition (DAQ) system for positron emission tomography (PET) events is presented. The advantages of digital DAQ for PET system have been recognized recently. Sampling rate faster than 200Mhz is required when LSO scintillation pulses are directly digitized. That make it unaffordable to implement a PET system with all digital DAQs, due to numerous channels in PET system and costly...
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