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參數(shù)資料
| 型號： | TVP5147M1PFP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP80 |
| 封裝： | GREEN, PLASTIC, HTQFP-80 |
| 文件頁數(shù)： | 20/108頁 |
| 文件大?。?/td> | 937K |
| 代理商： | TVP5147M1PFP |
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Line
Delay
–
Peaking
NTSC/PAL
Remodulation
NTSC/PAL
Demodulation
Notch
Filter
Color LPF
↓ 2
5-Line
Adaptive
Comb
Filter
Notch
Filter
Notch
Filter
Notch
Filter
Contrast
Brightness
Saturation
Adjust
Cr
Y
Cb
Y
Burst
Accumulator
(U)
U
SECAM
Color
Demodulation
V
Delay
CVBS/Y
SECAM Luma
CVBS
CVBS/C
Color LPF
↓ 2
Burst
Accumulator
(V)
U
V
Delay
www.ti.com
SLES140F – JULY 2005 – REVISED DECEMBER 2010
The 10-bit composite video is multiplied by the subcarrier signals in the quadrature demodulator to
generate color difference signals U and V. The U and V signals are then sent to low-pass filters to achieve
the desired bandwidth. An adaptive 5-line comb filter separates UV from Y based on the unique property
of color phase shifts from line to line. The chroma is remodulated through a quadrature modulator and
subtracted from line-delayed composite video to generate luma. This form of Y/C separation is completely
complementary, thus there is no loss of information. However, in some applications, it is desirable to limit
the U/V bandwidth to avoid crosstalk. In that case, notch filters can be turned on. To accommodate some
viewing preferences, a peaking filter is also available in the luma path. Contrast, brightness, sharpness,
hue, and saturation controls are programmable through the host port.
Figure 2-3. Composite and S-Video Processing Block Diagram
Copyright 2005–2010, Texas Instruments Incorporated
Functional Description
19
Product Folder Link(s): TVP5147M1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TVP5147M1PFPR | COLOR SIGNAL DECODER, PQFP80 |
| TVP5147M1IPFP | COLOR SIGNAL DECODER, PQFP80 |
| TVP5147M1IPFPR | COLOR SIGNAL DECODER, PQFP80 |
| TVP5147M1IPFPRQ1 | COLOR SIGNAL DECODER, PQFP80 |
| TVP5147M1IPFPQ1 | COLOR SIGNAL DECODER, PQFP80 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5147M1PFP | 制造商:Texas Instruments 功能描述:; Resolution (Bits):10; Supply Current:5 |
| TVP5147M1PFP_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2 X 10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Filter |
| TVP5147M1PFPG4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2 X 10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Filter |
| TVP5147M1PFPR | 功能描述:視頻 IC 10B Hi Qual Sgl-Chip 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 |
| TVP5147M1PFPRG4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 2 X 10-Bit Digital Video Decoder With Macrovision Detection, YPbPr Inputs, and 5-Line Comb Filter |
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