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P side |
N side |
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Vi Nham Results (Raw data from May 13th, 2007) |
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Ladder position |
Low voltage
power supply |
Low voltage
power supply |
Biasing Voltage |
Leakage current |
comments |
Pside |
Nside |
comment |
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Voltage (V) |
Current (A) |
Voltage (V) |
Current (A) |
Voltage (V) |
Current (I) |
Voltage (V) |
Current (A) |
(V) |
(ľA) |
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top
3 ladders sector |
20 |
-2.2 |
1.7 |
2 |
0.45 |
-2.1 |
1.6 |
2 |
0.5 |
30 |
120 |
module 15P one Alice128 bad |
4P one bad alice |
ok |
High voltage trip |
1 |
-2.2 |
1.6 |
2 |
0.44 |
-2.2 |
1.6 |
2 |
0.47 |
50 |
45 |
Pside perfect, problem with the digital output on
Nside : the most significant bit is oscillating |
Pside OK |
Nside OK |
|
2 |
-2.2 |
1.6 |
2 |
0.49 |
-2.2 |
1.66 |
2 |
0.48 |
30 |
800 |
modules ok (Pside and Nside), leakage current to
high, HV coupling capacitors need to be changed |
4P weird data |
ok |
High voltage trip |
North
7 ladders sector |
3 |
-2.2 |
1.45 |
2 |
0.45 |
-2.2 |
1.5 |
2 |
0.44 |
25 |
136 |
JTAG problem with 11P, 14P and 1N,. |
11P OK |
OK |
high voltage trip |
4 |
-2.2 |
1.6 |
2 |
0.46 |
-2.2 |
1.56 |
2 |
0.48 |
30 |
110 |
JTAG problem with 12P |
12P OK |
ok |
|
5 |
-2.2 |
1.54 |
2 |
0.46 |
-2.2 |
1.58 |
2 |
0.45 |
30 |
106 |
JTAG problem with 1P |
OK |
OK |
|
6 |
-2.2 |
1.59 |
2 |
0.47 |
-2.2 |
0 |
2 |
0 |
30 |
91 |
Nside not responding, Pside OK |
OK |
Dead |
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7 |
-2.2 |
1.65 |
2 |
0.5 |
-2.2 |
1.53 |
2 |
0.45 |
35 |
144 |
JTAG problem with 13N, Pside no data |
Dead |
Dead |
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8 |
-2.2 |
0 |
2 |
0.02 |
-2.2 |
1.59 |
2 |
0.44 |
40 |
135 |
Pside ok at the begining, then datas are degrading.
High current on the +2V : probably it comes from the output currrent of the
ALICE128 output buffer. After waiting for a while, it is ok again and starts
to degrade again |
OK, 8P noisy |
Noisy with pedestal variation |
|
9 |
-2.2 |
1.59 |
2 |
0.47 |
-2.2 |
1.6 |
2 |
0.45 |
50 |
174 |
power supply connector problem on Pside |
7P with dead strips |
OK |
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bottom
3 ladders sector |
10 |
-2.2 |
1.67 |
2 |
0.54 |
-2.2 |
1.5 |
2 |
0.45 |
30 |
220 |
module 7N not responding with JTAG, biasing current
to high |
8P: pedestal value higher than 255, 4P pedestal
value strange |
ok |
High voltage trip |
11 |
-2.2 |
1.65 |
2 |
0.52 |
-2.2 |
1.58 |
2 |
0.49 |
40 |
72 |
module 9N not responding with JTAG |
OK |
ok |
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12 |
-2.2 |
1.64 |
2 |
0.49 |
-2.2 |
1.59 |
2 |
0.46 |
40 |
77 |
good ladder |
OK |
OK |
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South
7 ladders sector |
13 |
-2.2 |
1.65 |
2 |
0.49 |
-2.2 |
1.6 |
2 |
0.46 |
30 |
240 |
Data problem with 6P, biasing current to high |
problem with 6P |
ok |
High voltage trip |
14 |
-2.2 |
1.6 |
2 |
0.47 |
-2.2 |
1.44 |
2 |
0.44 |
30 |
180 |
JTAG problem with 15N and 16N. |
OK |
data problem with 15N (while OFF) |
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15 |
-2.2 |
1.54 |
2 |
0.47 |
-2.2 |
1.6 |
2 |
0.47 |
30 |
125 |
HV and LV connection to be checked side P. Pedestal
high with 16P |
Pside noisy |
ok |
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16 |
-2.2 |
1.11 |
2 |
0.36 |
-2.2 |
1.49 |
2 |
0.43 |
30 |
173 |
JTAG problem with 4P, 5P, 7P, 8P, 12P, 13P, 1N, 10N. |
4P, 7P, 8P, 13P OK, but no data from 12P |
10N ok |
|
17 |
-2.2 |
1.52 |
2 |
0.46 |
-2.2 |
1.55 |
2 |
0.44 |
30 |
144 |
JTAG problem with 5P. HV connection to be checked. |
5P forced (on May 16th) |
OK |
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18 |
-2.2 |
1.6 |
2 |
0.46 |
-2.2 |
1.59 |
2 |
0.45 |
30 |
137 |
good ladder |
OK |
11N dodgy |
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19 |
-2.2 |
1.44 |
2 |
0.48 |
-2.2 |
1.64 |
2 |
0.42 |
30 |
174 |
JTAG problem with 13P. No data with 11P because
power supply disconnected by latchup detection. |
OK |
6N high pedestal, 11N noisy |
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