Study noise inside FCAL

• 

  Fig. 1 Position of the lead glass module inside the dark room

• 

  Fig. 2 Signals from the FCAL base

• 

  Fig. 3 Insert: noise in the divider with the bypassed amplifier

• 

  Fig. 4

• 

  Fig. 5 Insert: noise in the divider with amplifier

• 

  Fig. 6 CAN Bus enabled

• 

  Fig. 7 FCAL voltages and LEDs are on