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Draft Electronics Design for a New Large Cherenkov Detector

Draft Electronics Design for a New Large Cherenkov Detector. R. Van Berg. PENN & Large n Detectors. BNL E734 - 1978 13,000 PDTs - tracking 4,000 PMTs - calorimetry Kamiokande II -1986 1,000 20” PMTs SNO - 1997 9,500 8” PMTs. Basic Parameters (From SNO). Detector Electronics.

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Draft Electronics Design for a New Large Cherenkov Detector

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  1. Draft Electronics Design for a New Large Cherenkov Detector R. Van Berg

  2. PENN & Large n Detectors • BNL E734 - 1978 • 13,000 PDTs - tracking • 4,000 PMTs - calorimetry • Kamiokande II -1986 • 1,000 20” PMTs • SNO - 1997 • 9,500 8” PMTs Draft Electronics Design

  3. Basic Parameters(From SNO) Draft Electronics Design

  4. Detector Electronics • Base on SNO Design • Need to redesign integrated circuits • Improve a few small deficiencies • Scale from 104 to 105 channels Draft Electronics Design

  5. SNO Trigger Efficiency Draft Electronics Design

  6. SNO Single PE Measurement Draft Electronics Design

  7. Budget Estimate • SNO Electronics and DAQ Capital Cost – • DOE $470k expended through Penn • Chip donation by Northern Telecom ~ $100k • Board testing labor - TRIUMF / QU ~ $50k • Development ~ 10 person years (~$2.5 M if costed at lab rates) • Scale from 9500 PMT to 50,000 PMT • Well under $100/channel production + R&D Draft Electronics Design

  8. Budget Scope • Previous totals include: • PMT volt divider but not waterproof housing • Front end electronics - discriminator to digitizer • Trigger electronics – local and central • All DAQ hardware • Low and High voltage power and racks • Does NOT include PMT cables – adds about $0.40 / m or $30 / PMT Draft Electronics Design

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