1. 1 26 November 2003, CERN LHCb Muon meeting Anatoli Kachtchouk (INFN Cagliari, PNPI) Final FEE-board conception proposed by Walter Bonivento Sandro Cadeddu Anatoli Kachtchouk Adriano Lai Davide Marras

2. 2 26 November 2003, CERN LHCb Muon meeting Anatoli Kachtchouk (INFN Cagliari, PNPI) CARDI-board (1-st iteration) 70 50 DIALOG-chip CARIOCA-10 (2 chips) PWR CTRL-in CTRL-out LVDS-out 66

3. 3 26 November 2003, CERN LHCb Muon meeting Anatoli Kachtchouk (INFN Cagliari, PNPI) Copper foil (GND) CARDI-board CARDI-board (2-nd iteration) 63 50 DIALOG-chip CARIOCA-10 (2 chips) 57 PWR 2x5=10-pin CTRL-in 2x5=10-pin CTRL-out PWR LVDS CTRL-out 2x5=10-pin Micro Header Male 1.27mm, www.samtec.com

4. 4 26 November 2003, CERN LHCb Muon meeting Anatoli Kachtchouk (INFN Cagliari, PNPI) Copper foil (GND) CARDI-board Interconnection / Grounding / Fixation LVDS outputs (2x8=16-pin, Male 2.54mm) PWR CTRL-in 2x5=10-pin Male 1.27mm connectors and cables Can be cut for new PWR-line Can be cut for new CTRL-line CTRL-out CTRL-out./CTRL-in PWR

5. 5 26 November 2003, CERN LHCb Muon meeting Anatoli Kachtchouk (INFN Cagliari, PNPI) panel SPB CARDI-board U-shape Faraday Cage enclosing FEE on MWPC Grounding & Fixation by soldering Copper foil, as shown SMD-connectors

6. 6 26 November 2003, CERN LHCb Muon meeting Anatoli Kachtchouk (INFN Cagliari, PNPI) LVDS-out (no GND) MWPC cluster with star connection Cluster node (one per Station) I2C (no GND) PWR (+3V, GND) FEE-board interconnections inside FC Local LV (+2.5V) regulators (one GND-wire per chamber including HV) To DAQ