Design of a high-sampling-rate electronic module for array-detector positron annihilation lifetime measurements

Introduction In this study, a high-time-resolution electronic module with a high channel density and low power consumption was designed for the measurement of the multi-detector array positron annihilation lifetimes. This electronic module consisted of 32 input channels, and each channel provided a high sampling rate up to 5.12 GSPS based on a Domino Ring Sampler 4 (DRS4) chip. Compared to the high-speed flash analog-digital converter (FADC), DRS4 chip has a higher channel density with an affordable lower price and power consumption.