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參數(shù)資料
| 型號(hào)： | ICX279AL |
| 廠商： | Sony Corporation |
| 英文描述： | Diagonal 4.5mm (Type 1/4) CCD Image Sensor for CCIR B/W Video Cameras |
| 中文描述： | 對(duì)角線4.5毫米（類型1 / 4）CCD圖像傳感器的無線電咨詢委員會(huì)/黑白視頻攝像機(jī) |
| 文件頁數(shù)： | 11/19頁 |
| 文件大?。?/td> | 204K |
| 代理商： | ICX279AL |
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11
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ICX279AK
5. Video signal shading
Set to standard imaging condition
III
. With the lens diaphragm at F5.6 to F8, adjust the luminous intensity
so that the average value of the Y signal output is 200mV. Then measure the maximum (Ymax [mV]) and
minimum (Ymin [mV]) values of the Y signal and substitute the values into the following formula.
SHy = (Ymax
–
Ymin)/200
×
100 [%]
6. Uniformity between video signal channels
Set to standard imaging condition
II
. Adjust the luminous intensity so that the average value of the Y signal
output is 200mV, and then measure the maximum (Crmax, Cbmax [mV]) and minimum (Crmin, Cbmin
[mV]) values of the R
–
Y and B
–
Y channels of the chroma signal and substitute the values into the
following formula.
Sr = | (Crmax
–
Crmin)/200 |
×
100 [%]
Sb = | (Cbmax
–
Cbmin)/200 |
×
100 [%]
7. Dark signal
Measure the average value of the Y signal output (Ydt [mV]) with the device ambient temperature 60
°
C and
the device in the light-obstructed state, using the horizontal idle transfer level as a reference.
8. Dark signal shading
After measuring 7, measure the maximum (Ydmax [mV]) and minimum (Ydmin [mV]) values of the Y signal
output and substitute the values into the following formula.
Ydt = Ydmax
–
Ydmin [mV]
9. Flicker
1) Fy
Set to standard imaging condition
II
. Adjust the luminous intensity so that the average value of the Y signal
output is 200mV, and then measure the difference in the signal level between fields (
Yf [mV]). Then
substitute the value into the following formula.
Fy = (
Yf/200)
×
100 [%]
2) Fcr, Fcb
Set to standard imaging condition
II
. Adjust the luminous intensity so that the average value of the Y signal
output is 200mV, insert an R or B filter, and then measure both the difference in the signal level between
fields of the chroma signal (
Cr,
Cb) as well as the average value of the chroma signal output (CAr, CAb).
Substitute the values into the following formula.
Fci = (
Ci/CAi)
×
100 [%] (i = r, b)
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