Origami6
HV=+-40V,
CO2 cooling: P_TT_4: 14.9 bar, mf=0.9 g/s
beam on; xy table position x=306 y=76.5

I=18.6µA; old I2C settings; corrected trigger delay (htr); adjusted front-end voltages 

CO2 pressure reduced to 14.9 bar --> temp is about 4K colder
Temp. at pipe inlet (K7) = -18°C
Temp. at pipe outlet (K8) = -21.8°C

used multi6 config instead of single hit config (cern11_origami_cooled2_multi6.cfg)

currents:
07.10.2011  18:36:07  event=1581  rate=31events/s temp/curr=33.9/-05.3 33.9/-05.6 33.9/-06.6 32.8/001.4 32.8/001.9 32.8/018.1

Origami6
HV=+-40V,
CO2 cooling: P_TT_4: 14.9 bar, mf=0.9 g/s
beam on; xy table position x=306 y=74.5

centered

I=17.8µA; old I2C settings; corrected trigger delay (htr); adjusted front-end voltages 

CO2 pressure reduced to 14.9 bar --> temp is about 4K colder
Temp. at pipe inlet (K7) = -18°C
Temp. at pipe outlet (K8) = -21.8°C

currents:

07.10.2011  23:26:21  event=89786  rate=0events/s temp/curr=33.0/-05.3 33.0/-05.8 33.0/-06.6 31.9/001.4 32.0/001.9 31.9/017.7
 

Origami6
HV=+-40V,
no cooling
beam on; xy table position x=306 y=74.5
Istart=57µA;
std. I2C settings

centered

currents:
8.10.2011  00:07:43  event=991  rate=0events/s temp/curr=33.0/-15.4 33.0/-17.3 33.0/-17.7 31.9/011.5 31.9/013.2 32.0/040.20
...

08.10.2011  06:32:34  event=179710  rate=0events/s temp/curr=33.1/-22.1 33.0/-25.6 33.1/-22.6 31.9/018.2 31.8/021.7 31.9/048.5
08.10.2011  06:33:28  event=180105  ***WARNING*** Error detected in APV 0, subevent 2. Event discarded, reset sent.
 

Permanent APV errors at several (all p-side, some n-side) APV chips after 180105 events, which could not be recovered by software resets. After restart of run, all APVs where alive again, hence hardware reset and I2C reconfiguration after 5 or 10 consecutive APV errors should be added to TUXDAQ software.

After APV errors occured, the cummulative bias current decrised from 78µA to 54µA. This effect can occures whenever the digital part of the APV is switched between idle and full operation. It seems that this is a thermal effect, caused by  the slightly higher power consumption of the digital part of the chips.

Software run with 6 samples to ensure that APV chips dissipate full power.

DAQ data not saved, bias current monitored

new longterm files:
It-neg-0810110926.txt
It-pos-0810110926.txt

Sr90, large scintillator, HVret @ Origami open
Origami Mod. #4
HV=+-40V, Ibias=2,03µA
CO2 cooling on, Tin=-16°C, Tout=-16,7°C

standard I²C settings for uncooled APV chips.

Lab measurement with new dark box but old, large scintillator.

20.02.2012  17:08:27  event=5771  ***WARNING*** Error detected in APV 6, subevent 0. Event discarded, reset sent. --> APV 6 recovered afterwards

Sr90, large scintillator, HVret @ Origami open
Origami Mod. #4
HV=+-40V, Ibias=2,03µA
CO2 cooling on, Tin=-16°C, Tout=-16,7°C

standard I²C settings for uncooled APV chips.

Lab measurement with new dark box but old, large scintillator.

Calibration run for run100.

Sr90, large scintillator, HVret @ Origami open
Origami Mod. #4
HV=+-40V, Ibias=2,03µA
CO2 cooling on, Tin=-16°C, Tout=-16,7°C

I²C settings for cooled APV chips --> same as used in run010.

Lab measurement with new dark box but old, large scintillator.

CO2 empty after 24497 events --> run stopped

same as run101

Sr90, large scintillator, HVret @ Origami open
Origami Mod. #4
HV=+-40V, Ibias=1,8µA
CO2 cooling on, Tin=-20.2°C, Tout=-21.3°C

I²C settings for cooled APV chips --> same as used in run010
e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

Lab measurement with new dark box but old, large scintillator.

CO2 empty after 24497 events --> run stopped --> no corresponding calibration available, but for rought analysis cal100 can be used for this run, too

Sr90, large scintillator, HVret @ Origami open
Origami Mod. #4
HV=+-40V, Ibias=1,8µA
CO2 cooling on, Tin=-20.2°C, Tout=-21.3°C

I²C settings for cooled APV chips --> same as used in run010
e:\cvi-projects\apvdaq_fadc\origami6_V2_single_cooled.cfg

Lab measurement with new dark box but old, large scintillator.

Sr90, large scintillator,
HVret @ Origami closed
HVret @ SMU connected
Origami Mod. #4
HV=+-40V, Ibias=1,6µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips --> same as used in run010

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

Lab measurement with new dark box but old, large scintillator

Wires between HV connectors ground and HVret conntact at the mambo were open --> no HVret conntection between module and SMUs!
Moreover the SMU Inv. Nr. 545-078 has either an unstable output or problems with the current measurement.

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,6µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips --> same as used in run010

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

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
 

J7... HV ret @ hybrid

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,6µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips --> same as used in run010

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

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
 

J7... HV ret @ hybrid

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,6µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips --> same as used in run010

e:\cvi-projects\apvdaq_fadc\origami6_V2_single_cooled.cfg

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
 

J7... HV ret @ hybrid

Same as cal104, but now J7 open

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,6µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips --> same as used in run010

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

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
 

J7... HV ret @ hybrid

Same as run104, but now J7 open

Again spikes in bias current!

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,6µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips --> same as used in run010

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

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
 

J7... HV ret @ hybrid

Same as run105, but now J5 and J7 open

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,6µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips --> same as used in run010

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

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
 

J7... HV ret @ hybrid

Same as run106, but now J7 closed

APV pedestals slightly unstable.

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,9µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

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
 

J7... HV ret @ hybrid

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,9µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

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
 

J7... HV ret @ hybrid

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,9µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

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
 

J7... HV ret @ hybrid

Sr90, large scintillator,
Origami Mod. #4
HV=+-40V, Ibias=1,9µA
CO2 cooling on, Tin=-20.5°C, Tout=-21.5°C

I²C settings for cooled APV chips

e:\cvi-projects\apvdaq_fadc\origami6_V2_multi6_cooled.cfg

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
 

J7... HV ret @ hybrid