ApselVI 3D MAPS
Analog Front-End
December 19, 2012
PV/BG
L. Gaioni
Cell layout – analog layer
Sensor area: 716 µm2
NW PMOS: 95 µm2
Evaluated sensor
capacitance≈ 290 fF
DRC: ✔
LVS: ✔
ApselVI 3D MAPS – Analog FE
50 µm
Fill factor: 0.88
Cell layout – analog layer
Sensor area: - µm2
NW PMOS: - µm2
Evaluated sensor
capacitance≈ 350 fF
Noise…
ApselVI 3D MAPS – Analog FE
50 µm
Fill factor: 0.89
Cell layout – analog layer
102
100
Hit efficiency [%]
98
96
94
new_geom
current_geom
92
90
0
100
200
300
Discriminator threshold [e
ApselVI 3D MAPS – Analog FE
400
-
]
500
Noise…
RW Simulations on Apsel5T-TC
(40,40)
(33.5,36.7)
(14,34.7)
(31,34.65)
NWELL
competitiva
(22.2,31)
(31,31.6)
(22.2,28.9)
(15,27) (18.8,27)
NWELL
(26.8,25)
(25.2,23.5)
DEEP NWELL
(13.5,8.2)
(12,6.7)
(0,0)
ApselVI 3D MAPS – Analog FE
NMOS
comparatore
RW Simulations on Apsel5T-TC: hit efficiency
Simulation
results
110
100
Hit efficiency [%]
90
80
70
60
50
40
0
ApselVI 3D MAPS – Analog FE
200
400
600
Discriminator threshold [e
800
-
]
1000
RW Simulations on Apsel5T-TC: hit efficiency
Test beam
results
ApselVI 3D MAPS – Analog FE
RW Simulations on Apsel5T-TC: collected charge
60
y = (m1/6.28)*exp( -1*( ...
Value
Error
m1
398.85
24.266
m2
1691
46.459
m3
459.82
34.41
Chisq
1434
NA
R
0.92298
NA
50
40
Count
30
20
10
0
-10
0
ApselVI 3D MAPS – Analog FE
1000
2000
3000
4000
5000
Collected charge [e-]
6000
7000
8000
RW Simulations on Apsel5T-TC: collected charge
ApselVI 3D MAPS – Analog FE
Which MPV for the Landau distribution?
For the previous simulations, the generated charge QG is given by:
QG  sub x
where sub is the substrate
thickness and x is a
continuous random variable
distributed according to the
Landau distribution with
MPV = 80 e-h/µm
But...
ApselVI 3D MAPS – Analog FE
Which MPV for the Landau distribution?
For the previous simulations, the generated charge QG is given by:
QG  sub x
where sub is the substrate
thickness and x is a
continuous random variable
distributed according to the
Landau distribution with
MPV = 80 e-h/µm
But...
ApselVI 3D MAPS – Analog FE
Which MPV for the Landau distribution?
New simulations with
MPV = 57 e-h/µm
MeanV = 80 e-h/µm
ApselVI 3D MAPS – Analog FE
RW Simulations on Apsel5T-TC: hit efficiency
Simulation
results
110
100
90
Hit efficiency [%]
80
70
60
50
40
30
0
ApselVI 3D MAPS – Analog FE
200
400
600
Discriminator threshold [e
800
-
]
1000
RW Simulations on Apsel5T-TC: collected charge
y = (m1/6.28)*exp( -1*( ...
Value
Error
m1
915.02
51.224
m2
1115.8
42.28
m3
454.42
31.26
Chisq
1294.8
NA
R
0.96934
NA
100
80
Count
60
40
20
0
-20
-2000
ApselVI 3D MAPS – Analog FE
0
2000
4000
Collected charge [e-]
6000
8000
RW Simulations on Apsel4D: hit efficiency
110
100
Hit efficiency [%]
90
80
0.5 MIP
70
60
50
40
0
200
400
600
Discriminator threshold [e
ApselVI 3D MAPS – Analog FE
800
-
]
1000
RW Simulations on ApselVI: hit efficiency
110
100
90
Hit efficiency [%]
80
70
60
50
40
30
0
ApselVI 3D MAPS – Analog FE
200
400
600
Discriminator threshold [e
800
-
]
1000
RW Simulations on ApselVI: hit efficiency
th = 400 e50
40
40
Y coordinate [µm]
Y coordinate [µm]
th = 300 e50
30
20
10
30
20
10
0
0
0
10
20
30
X coordinate [µm]
ApselVI 3D MAPS – Analog FE
40
50
0
10
20
30
X coordinate [µm]
40
50
RW Simulations on ApselVI: hit efficiency
th = 600 e50
40
40
Y coordinate [µm]
Y coordinate [µm]
th = 500 e50
30
20
30
20
10
10
0
0
0
10
20
30
X coordinate [µm]
ApselVI 3D MAPS – Analog FE
40
50
0
10
20
30
X coordinate [µm]
40
50