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Electronics & DAQ of KIMS

Electronics & DAQ of KIMS. Presented by S.Y.Kim DMRC, 1/30/2004 2004 winter workshop Contents 1) Short introduction of DMRC electronics 2) Spec. & performance of some DMRC electronics 3) Short introduction of DMRC DAQ. DMRC electronics diagram. preamp. analog sum.

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Electronics & DAQ of KIMS

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  1. Electronics & DAQ of KIMS Presented by S.Y.Kim DMRC, 1/30/2004 2004 winter workshop Contents 1) Short introduction of DMRC electronics 2) Spec. & performance of some DMRC electronics 3) Short introduction of DMRC DAQ

  2. DMRC electronics diagram

  3. preamp analog sum low voltage PS Flash ADC + VMS controller + VME-CAMAC IFC

  4. Preamplifier for CsI crystal - 6U custom size - 50W input/output impedence - DC coupled - 200MHz bandwidth - x10, x100 fixed gain - pseudo charge sensitive output with P/Z cancellation

  5. Preamplifier for CsI crystal

  6. DMRC VME controller - 6U size - USB2 interface - optional HD controller (not yet implemented) - block read throughput = 120Mbps - will be upgraded to 200Mbps

  7. Flash ADC - 2 channels / board - 150MHz bandwidth - 500MS/s - built in trigger logic - event tagging timer (16ns precision) - double buffered structure - record length = 32ms * 16events * 2buffers

  8. Flash ADC block diagram

  9. FADC teststand at SNU

  10. FADC trigger scheme

  11. FADC preliminary results High energy event ns low energy event ns

  12. DMRC DAQ - USB2 interface -VME driver -FADC functions -CAMAC functions -Monitor functions - ROOT framework

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