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A VXIbus based trigger for the CLAS detector at CEBAF

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7 Author(s)
Doughty, D.C. ; Christopher Newport Coll., Newport News, VA, USA ; Englert, J. ; Hale, R. ; Lemon, S.
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A VXIbus-based first-level triggering system for the CLAS detector at CEBAF (Continuous Electron Beam Accelerator Facility, Newport News, VA) has been designed and prototyped. It uses pipelining and a triple memory lookup to produce a deadtimeless trigger decision with an average latency of 110 ns and a jitter of 20 ns. The VXIbus Extended Start/Stop triggering protocols allow subnanosecond time synchronization

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Nuclear Science, IEEE Transactions on  (Volume:39 ,  Issue: 2 )