ATLAS TRT Duke University CERN, Feb Fuse Box Status Duke University
ATLAS TRT Duke University CERN, Feb Latest Fuse Box Design 1 type of fuse box for each module type Dimension: R x x Z u Based on June, 2001 prototype fuse size: 2.4 x 5.8x 4.3 mm u Type 1 : 71 x x 12 mm u Type 2 : 98 x x 12 mm u Type 3 : 148 x x 12 mm HV granularity: u Type 1: 6 HV lines/module = 3/fuse box u Type 2: 6 HV lines/module = 3/fuse box u Type 3: 10 HV lines/module = 5/fuse box Current draw range: u type 1: 565uA – 1,087uA per HV line u type 2: 999uA – 1,253uA per HV line u type 3: 498uA – 735uA per HV line
ATLAS TRT Duke University CERN, Feb Beam test prototype Simulates actual fuse box, except fuses and HV cables.
ATLAS TRT Duke University CERN, Feb Summary All components & design within fuse box are defined. u Max current draw per HV line is 1,253uA u Max number of straws per HV line is 96 (192 ch) Yet to be defined components outside the fuse box: u HV connector at PPB1 u Fuse box ground connection at cooling plate or roof board Parts are being quoted for manufacture, expect to start production …… Fuse size can impact fuse box dimension. If it’s different from 2001 prototype we need to know ASAP.