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參數(shù)資料
| 型號： | ICX285AL |
| 廠商： | Sony Corporation |
| 英文描述： | Diagonal 11 mm (Type 2/3) Progressive Scan CCD Image Sensor with Square Pixel for B/W Cameras |
| 中文描述： | 對角線11毫米的方形像素（類型2 / 3）逐行掃描CCD圖像傳感器/黑白攝像機(jī) |
| 文件頁數(shù)： | 12/23頁 |
| 文件大小： | 219K |
| 代理商： | ICX285AL |
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ICX285AQ
Image Sensor Characteristics Measurement Method
Measurement conditions
(1) In the following measurements, the device drive conditions are at the typical values of the bias and clock
voltage conditions, and the progressive scan mode is used.
(2) In the following measurements, spot blemishes are excluded and, unless otherwise specified, the optical
black level (OB) is used as the reference for the signal output, which is taken as the value of the Gr/Gb
signal output or the R/B signal output of the measurement system.
Definition of standard imaging conditions
(1) Standard imaging condition
I
:
Use a pattern box (luminance: 706cd/m
2
, color temperature of 3200K halogen source) as a subject.
(Pattern for evaluation is not applicable.) Use a testing standard lens with CM500S (t = 1.0mm) as an IR
cut filter and image at F5.6. The luminous intensity to the sensor receiving surface at this point is defined
as the standard sensitivity testing luminous intensity.
(2) Standard imaging condition
II
:
Image a light source (color temperature of 3200K) with a uniformity of brightness within 2% at all angles.
Use a testing standard lens with CM500S (t = 1.0mm) as an IR cut filter. The luminous intensity is adjusted
to the value indicated in each testing item by the lens diaphragm.
1. Sensitivity, sensitivity comparison
Set to the standard imaging condition
I
. After setting the electronic shutter mode with a shutter speed of 1/100s,
measure the signal outputs (V
GR
, V
Gb
, V
R
and V
B
) at the center of each Gr, Gb, R and B channel screen,
and substitute the values into the following formulas.
V
G
= (V
Gr
+ V
Gb
) /2
Sg = V
G
×
100
Rr = V
R
/V
G
Rb = V
B
/V
G
2. Saturation signal
Set to the standard imaging condition
II
. After adjusting the luminous intensity to 20 times the intensity with
the average value of the Gr signal output, 200mV, measure the minimum values of the Gr, Gb, R and B
signal outputs.
3. Smear
Set to the standard imaging condition
II
. With the lens diaphragm at F5.6 to F8, first adjust the average
value of the Gr signal output to 200mV. Measure the average values of the Gr signal output, Gb signal
output, R signal output and B signal output (Gra, Gba, Ra, Ba), and then adjust the luminous intensity to
500 times the intensity with the average value of the Gr signal output, 200mV.
After the readout clock is stopped and the charge drain is executed by the electronic shutter at the
respective H blankings, measure the maximum value (Vsm [mV]) independent of the Gr, Gb, R and B signal
outputs, and substitute the values into the following formula.
Sm = 20
×
log (Vsm
÷
×
×
1
500
4
10
1
Gra + Gba + Ra + Ba
30
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