Study noise inside FCAL

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

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  Fig. 2 Signals from the FCAL base

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

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  Fig. 4

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  Fig. 5 Insert: noise in the divider with amplifier

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  Fig. 6

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  Fig. 7

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  Fig. 8