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  1. Massive trips Sasha Milov March 6, 2007 Sasha Milov playing LTSpice... March 6, 2007

  2. Divider again… Sasha Milov playing LTSpice... March 6, 2007

  3. Floating Mesh • MT only happen between the two modules sitting at high enough voltage?  our killer question from Friday studies (!) • MT are confined to one arm, and have no other patterns • Prototype was more stable, then real detector • More short problems in top GEMs • Two modules with mesh-gem shorts Sasha Milov playing LTSpice... March 6, 2007

  4. Solutions Sasha Milov playing LTSpice... March 6, 2007

  5. Current in Mesh PS depends on resistor capacitance coupling Sasha Milov playing LTSpice... March 6, 2007

  6. Resistors 60 Meg @3720V on GEM FB: 3917V RB: 3595V 40 Meg @ 3720V on GEM FB: 4051V RB: 3718V Sasha Milov playing LTSpice... March 6, 2007