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參數資料
型號: TVP5146PFPG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: GREEN, PLASTIC, HTQFP-80
文件頁數: 27/109頁
文件大小: 1658K
代理商: TVP5146PFPG4
16
SLES084C August 2007
TVP5146
f – Frequency – MHz
1
0
1
2
3
4
5
6
7
01234567
Gain = 0
Gain = 2
Peak at
f = 2.89 MHz
Gain = 0.5
Gain = 1
Amplitude
dB
Figure 215. Peaking Filter Response, PAL Square Pixel Sampling
2.2.3.1
Color Transient Improvement
Color transient improvement (CTI) enhances horizontal color transients by delay modulation for
both color difference signals. The operation must be performed only on YCbCr-formatted data.
The color difference signal transition points are maintained, but the edges are enhanced for
signals which have bandwidth-limited color components (for example, CVBS and S-video).
2.2.4 Component Video Processor
The component video processing block supports a user-selectable contrast, brightness, and
saturation adjustment in YCbCr output formats. For YCbCr output formats, gain and offset
values are applied to the luma data path in order to map the pixel values to the correct output
range (for 10-bit Ymin = 64 and Ymax = 940), and to provide a means of adjusting contrast and
brightness. For Y, digital contrast (gain) and brightness (offset) factors can vary from 0 to 255.
The contrast control adjusts the amplitude range of the Y output centered at the midpoint of the
output code range. The limit block limits the output to the ITU-R BT.601 range (Ymin to Ymax) or
an extended range, depending on a user setting.
x
Gain
Y
Limit
+
Offset
Figure 216. Y Component Gain, Offset, Limit
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相關代理商/技術參數
參數描述
TVP5146PFPR 功能描述:視頻 IC NTSC/PAL/SECAM 4x10B Dig Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
TVP5147EVM 功能描述:視頻 IC 開發工具 TVP5147 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V
TVP5147M1 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2x10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Felter
TVP5147M1_08 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2x10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Felter
TVP5147M1IPFP 功能描述:視頻 IC 10B Hi Qual Sgl-Chip Dig Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
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