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Message ID: 90     Entry time: Mon Mar 5 19:27:56 2012
Author: Christian Irmler 
Project: BELLE 
Subject: Origami Module #4 
Run Number: run111 
Events: 50k 
StartTime: 05.03.2012 19:26:28 
Data: Unknown 

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,30µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips


Lab measurement with new dark box but old, large scintillator

SMU:  +HV=Inv.Nr. 545-77    -HV=Inv.Nr. 540-702

HVret configuration:

0 ... switch open / not connected
1 ... switch closed / connected

SMU Dock Box J5 J6 J7
0 0 (now isolated) 1 0 1

J7... HV ret @ hybrid


same as run108
Noise of p-side APVs in run108 was very high --> repeat measurement!

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