building a decision engine for neutron/ g measurements
DESCRIPTION
Building a Decision Engine for Neutron/ g Measurements. FI eld -Programmable D etection. Flash ADC based, FPGA firmware readout. Digital Pulse Processing (DPP) for Pulse Heights (PHA). 100/250 MHz, 12 bit. Digital Pulse Processing (DPP) for Charge Integration (CI). - PowerPoint PPT PresentationTRANSCRIPT
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Building a Decision Engine for Neutron/g Measurements
FIeld-Programmable Detection
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Flash ADC based, FPGA firmware readout
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Digital Pulse Processing (DPP) for Pulse Heights (PHA)
100/250 MHz, 12 bit
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Digital Pulse Processing (DPP) for Charge Integration (CI)
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Digital Pulse Processing (DPP) for Pulse Heights (PHA)
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Digital Pulse Processing (DPP) for Charge Integration (CI)
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The traditional system
Neutron PSD Logic
Digitization
AcquisitionAnalysis
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The FPGA based System
Field Programmable Gated Array
Neutron PSD, ToF, Digitization, Analysis, List Output, DECISION
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The FPGA SystemField Programmable Gated Array
Advantages• Cost ! Conventional System
$2.5k per channel, FIND $0.5k per channel
• No overhead on scaling system up
• Much fewer electronic models• Reduced Data Size• Field Configurable• Commercial solution and
partnership (CAEN)
Initial Tests• Proved neutron PSD• Time-of-Flight• PH HPGe (same resolution)• Rates (100% Live Time)• FPGA Logic