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This page documents a electronics for a thermal neutron detector being developed for Steve Ahlen starting in Oct 2010. The ultimate goal is to build a replacement for the existing detector technology based on the now scarce 3He isotope.
The final detector must be 2m x 30cm x 12cm. It is anticipated that it will use 6Li foils as the active material, with HV wires at < 1200v in a drift chamber configuration for readout.
Prototype II Chamber
- Wire frame PCB (integrated HV and readout)
Prototype I Chamber
- Mechanics
- Preliminary drawing – PDF
• DWG
Electronics
- Bill of Materials
- PreampDesign
- NeutronElectronicsDatabase
- PreampBatteryPower
- USBReadout
- HV_EMCO_Supply
- SignalProcessing
Meeting Notes
- Thermal_Neutron_Meeting_2010-10-19
- Thermal_Neutron_Meeting_2010-10-12
- Thermal_Neutron_Meeting_2020-10-05
If the wire pitch is 5mm and we want to readout every wire, then the preamp pitch must match. This likely implies thin "hybrid-style" preamp boards mounted vertically on a motherboard.
Documents
- Proposal Text
- DRIFT Electronics page -- see esp slides and schematic