July 16, 2008 online meeting minutes: Difference between revisions
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present: Sergey Boyarinov, Ben Raydo | present: Sergey Boyarinov, Ben Raydo, Sergey Pozdnyakov | ||
clock 15ns, propagation time 65-90ns, including hodoscope | clock 15ns, propagation time 65-90ns, including hodoscope | ||
Revision as of 09:18, 16 July 2008
present: Sergey Boyarinov, Ben Raydo, Sergey Pozdnyakov
clock 15ns, propagation time 65-90ns, including hodoscope (15ns come from passing data between v1495 boards)
discr width 7-43ns
inputs to v1495: common delay for hodoscope with 5ns step
need matching table between hodoscope and calorimeter !!!
photon and electron triggers in parallel: may increase total trigger timing
scalers will be implemented to all inputs, and some trigger results, resolution about 25MHz; preferabley deadtimeless, but can be with dead timne like clas trigger scalers; readout every 10 seconds, 32 bit registers but probably less bit actual count