10.1.1.24.2110
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+ + - -
y-trans.
+ + - -
x-trans.
L
OA
D
L
OA
D
L
OA
D
L
OA
D
Sensor
2,1
Sensor
2,2
Sensor
1,2
Sensor
1,1
iyix
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n+ +
- substrate
iphoto
n- well
+
- substrate
iphoto
+
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vphoto
Vcasc
iphoto
Ib,ph
OR
M1
M3
M2
M4 M5
OR
iphoto
M1
Vcasc
vphotoM2
M3
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Ib,n
iout
v2+ v1+ v1- v2-
Ib,p
iout
v2+ v1+ v1- v2-
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0 20 40 60 80 1001.45
1.5
1.55
1.6
1.65
1.7Active Load with Ninput Transconductor
Iph+ [pA] >
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Dark Office Bright
0.5
1
1.5
2
2.5Passive Load
Vph[V]
Dark Office Bright0.5
1
1.5Active Load
Lighting Condition
Vph[V]
DiodeTransistor
DiodeTransistor
50 0 501
0.5
0
0.5
1Transistor with Passive Load
Iouty[uA]
50 0 500.5
0
0.5Diode with Active Load
Ydirection [um]
Iouty[uA]
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