Speaker
Description
Within the project we are developing a synchronous, distributed, multi-channel acquisition system which features full galvanic isolation and therefore immune to induced electromagnetic noise. The system can be deployed in the harsh environment of experimental areas very close to the detector and therefore allows to achieve high precision measurements. The system consists of multiple single channel Flash ADC modules and one data concentrator. The modules are interconnected by high speed serial links running over optical fibers. The FADC continuously samples the analogue signal at 250MHz and 14 bit resolution, performs advanced signal shape analysis and sends part of waveform with detected signals to the next level of the DAQ. The data concentrator collects information from up to 15 Flash ADCs and provides this information to a central computer via Gigabit Ethernet. The system is synchronized by common high precision clock with phase stability of few hundred femtoseconds.
The poster presents experimental setup, detector requirements, an architecture of the trigger less data acquisition system and preliminary performance results.
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