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Part Name
Description
UPD3734A View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
Manufacturer
UPD3734A
2660 PIXELS CCD LINEAR IMAGE SENSOR
NEC => Renesas Technology
UPD3734A Datasheet PDF : 20 Pages
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µ
PD3734A
11. Random noise:
σ
Random noise
σ
is defined as the standard deviation of a valid photocell output signal with 100 times (= 100
lines) data sampling at dark (light shielding).
σ
(mV) =
100
∑
(V
i
−
V)
2
i
=
1
100
, V
=
1
100
∑
V
i
100
i
=
1
V
i
: A valid photocell output signal among all of the valid photocells
V
OUT
V
1
V
2
line 1
line 2
V
100
line 100
This is measured by the DC level sampling of only the signal level, not by CDS (Correlated Double Sampling).
12
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