Fiber Tracker Meeting Minutes

August 5, 2003 - 10am, Farside

• CFT Electronics Status : Borcherding
• status slide
• major board swap this last week
• plot of results from unused channel fix
• occupancy dropped from ~70% to >1% in most cases
• plot not shown
• plot not shown
• will be testing 53MHz option during shutdown
• 2 modified boards are in right now: 4B5 and 5A7
• every board from now on will be tested at 53MHz
• VSVX-tick #:
• changes made and tested at CTS, but there are hitches to putting these down on platform
• print of event dump
• turning off resulted in 128 extra bits going to 2 extra bits (don't know why it didn't go to zero). Call it a qualified success
• "latched" VLPC
• plot
• ribbon mapping
• Alan has idea about using kapton tape to block noise path
• have a draft of after-access procedures
• Status and plans for shutdown : Borcherding
• Summer shutdown schedule
• major:
• pull and modify LVPS's
• pull and modify ALL AFE boards
• minor:
• install AC remote shutoff
• fix monitoring
• finish LED pulser boards and cabling
• new firmware
• AFE and SEQ slot fixes

• talk slides
• Alarming Temperature read-backs
• most fixed by jiggling bayonnet
• new behavior in 8A1

• talk slides
• TPP - transition patch panel (interface to AFE)
• FPD noise pattern on AFE is due to TPP layout (ground loops)
• a retrofit fix cut noise by a factor of five
• plan to present weekly updates here to get suggestions for solutions
• want to join monitoring with CFT shifter and have pot insertion under control of captain