1. 288 channel HE RBX? A conceptual exercise, NOT a proposal
Feb 23, 2014

2. 72 channel RM electronics
SiPM /Peltier assembly (w/o ODU fibers)
2x 36 channel bias control boards
3x 24 channel QIE boards
Analog on long edge avoids interleaving/overlapping of digital and analog portions of layout
6U x 100 Eurocard size with
.8” spacing shown
Layout similar to HF QIE boards
CCM and calibration unit can be 160mm, common size of 6U boards
Interleaved conduction cooling from edges
(may be able to follow industry standard).

3. 72 Channel RM without ODU.
ODU Cookies and mixers factored into thermal assembly volume
Might be able to fit 24 more SiPM’s
But not more readout and bias channels

4. RBX 288 channels RM’s Calibration module Power module ngCCM RM’s
Limited height for ODU, but more surface area (as shown ~3-4cm before exceeding height of existing RM’s).
Higher granularity simplifies ODU mapping, becomes more compact.