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參數(shù)資料
| 型號： | HD49801FB |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | Digital Signal Processing IC for CCD Cameras |
| 中文描述： | 數(shù)字信號處理集成電路CCD相機(jī) |
| 文件頁數(shù)： | 25/43頁 |
| 文件大?。?/td> | 185K |
| 代理商： | HD49801FB |
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Iris
Pattern 1 is selected if the H count 6 is in the blanking period, and pattern 2 is selected otherwise.
Iris control is performed with the average value acquired by adding the weighted average values for each
region.
Where:
Y
: The average value for a single field.
Y
i: The average value for each region.
ki: The weighting for each region.
1
2
3
4
5
1
3
2
4
6
5
1
2
3
4
5
6
1
1'
3
3'
5
6
2
4
1
2
3
4
5
V
1
2
3
4
5
V
6'
H count
H count
Pattern 1
Pattern 2
25
HD49801FB
HD49801FB
The screen is divided into 6 regions
— The full integrated value (the average value of
Y following
γ
processing) for each region is
calculated for each field.
— Also, once for each field, the peak value for
region 1 is detected.
— However, the detection region can be set to an
arbitrary region (regions 1 to 6).
Each region can be changed in units of 32 fs
-1
horizontally, and 16 lines vertically.
State Data
D3
D2
D1
Region
0
0
0
1
0
0
1
2
0
1
0
3
0
1
1
4
1
0
0
5
1
0
1
6
1
1
0
Peak data
Note: For the peak data, the region is specified by
the A13 to A14 peak detection region.
Y
=
Y
i · ki
Σ
6
i = 1
ki
Σ
6
i = 1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD49815 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Digital Camera Signal Processor |
| HD49815TF | 制造商:Renesas Electronics Corporation 功能描述: |
| HD4A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SOT 23 SILICON PLANAR HIGH SPEED SWITCHING DIODES |
| HD4A-7D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SOT 23 SILICON PLANAR HIGH SPEED SWITCHING DIODES |
| HD4ATA | 功能描述:二極管 - 通用，功率，開關(guān) - RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Switching Diodes 峰值反向電壓:600 V 正向連續(xù)電流:200 A 最大浪涌電流:800 A 配置: 恢復(fù)時間:2000 ns 正向電壓下降:1.25 V 最大反向漏泄電流:300 uA 最大功率耗散: 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:ISOTOP 封裝:Tube |
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