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參數(shù)資料
| 型號： | TVP5150AM1MPBSREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP32 |
| 封裝： | PLASTIC, TQFP-32 |
| 文件頁數(shù)： | 7/79頁 |
| 文件大小： | 896K |
| 代理商： | TVP5150AM1MPBSREP |
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Line
Delay
-
Peaking
Quadrature
Modulation
Quadrature
Modulation
Notch
Filter
Color
LPF ↓ 2
4-Line
Adaptive
Comb
Filter
Burst
Accumulator
(Cr)
Notch
Filter
LP
Filter
LP
Filter
Delay
Contrast
Brightness
Saturation
Adjust
Delay
Cr
Y
Cb
Cr
Y
Burst
Accumulator
(Cb)
Delay
Color
LPF ↓ 2
Composite
+
Delay
X
Gain Factor
Bandpass
Peak
Detector
Composite
SECAM Color
Demodulation
Composite
Cr
Cb
SECAM Luma
3.3
Adaptive Comb Filtering
3.4
Color Low-Pass Filter
TVP5150AM1-EP
Ultralow-Power NTSC/PAL/SECAM Video Decoder
www.ti.com
SLES213 – MAY 2008
Figure 3-1. Composite Processing Block Diagram (Comb/Trap Filter Bypassed for SECAM)
The four-line comb filter can be selectively bypassed in the luma or chroma path. If the comb filter is
bypassed in the luma path, chroma notch filters are used. TI's patented adaptive four-line comb filter
algorithm reduces artifacts such as hanging dots at color boundaries and detects and properly handles
false colors in high-frequency luminance images such as a multiburst pattern or circle pattern.
In some applications, it is desirable to limit the Cb/Cr bandwidth to avoid crosstalk. This is especially true
in case of video signals that have asymmetrical Cb/Cr sidebands. The color LP filters provided limit the
bandwidth of the Cb/Cr signals.
Color LP filters are needed when the comb filtering turns off, due to extreme color transitions in the input
image. See Section 3.20.25, Chrominance Control #2 Register, for the response of these filters. The filters
have three options that allow three different frequency responses based on the color frequency
characteristics of the input video.
Functional Description
15
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| TVP5150AM1IPBSR | COLOR SIGNAL DECODER, PQFP32 |
| TVP5150AM1IPBS | COLOR SIGNAL DECODER, PQFP32 |
| TVP5150AM1IZQCR | COLOR SIGNAL DECODER, PBGA48 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5150AM1PBS | 功能描述:視頻 IC NTSC/PAL/SECAM 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 |
| TVP5150AM1PBSG4 | 功能描述:視頻 IC NTSC/PAL/SECAM 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 |
| TVP5150AM1PBSR | 功能描述:視頻 IC Ultralo Pwr NTSC/PAL SECAM Vid 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 |
| TVP5150AM1PBSRG4 | 功能描述:視頻 IC Ultralo Pwr NTSC/PAL SECAM 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 |
| TVP5150AM1ZQC | 功能描述:視頻 IC Ultralo Pwr NTSC/PAL SECAM Vid 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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