參數(shù)資料
型號(hào)： TVP5150AEVM
廠商： Texas Instruments
文件頁數(shù)： 4/74頁
文件大小： 0K
描述： TVP5150AEVM
標(biāo)準(zhǔn)包裝： 1
主要目的： 視頻，視頻解碼器
已用 IC / 零件： TVP5150A
主要屬性： NTSC/PAL 數(shù)字視頻解碼器
次要屬性： 圖形用戶接口，I²C 接口
已供物品： 2 個(gè)板，線纜，CD，電源
配用： 296-23058-ND - EVAL MODULE FOR DM642
相關(guān)產(chǎn)品： TVP5150PBSR-ND - IC NTSC/PAL/SECAM DECODER 32TQFP
TVP5150APBSRG4-ND - IC VIDEO DECODER 8BIT 32TQFP
TVP5150AM1ZQCR-ND - IC VIDEO DECODER 8BIT 48BGA
TVP5150AM1PBSRG4-ND - IC VIDEO DECODER 8BIT 32TQFP
TVP5150AM1PBSG4-ND - IC VIDEO DECODER 8BIT 32TQFP
296-32781-ND - IC VIDEO DECODER 8BIT 32TQFP
296-32780-ND - IC VIDEO DECODER 8BIT 48BGA
296-27133-ND - IC VIDEO DECODER 8BIT 32TQFP
296-23026-6-ND - IC VIDEO DECODER 48-BGA
296-23025-6-ND - IC VIDEO DECODER 32-TQFP
更多...
22
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
Figure 21. Composite Processing Block Diagram
2.5
Luminance Processing
The luma component is derived from the composite signal by subtracting the remodulated chroma information. A line
delay exists in this path to compensate for the line delay in the adaptive comb filter in the color processing chain. The
luma information is then fed into the peaking circuit, which enhances the high frequency components of the signal,
thus improving sharpness.
2.6
Chrominance Processing
For NTSC/PAL formats, the color processing begins with a quadrature demodulator. The Cb/Cr signals then pass
through the gain control stage for chroma saturation adjustment. An adaptive comb filter is applied to the demodulated
signals to separate chrominance and eliminate cross-chrominance artifacts. An automatic color killer circuit is also
included in this block. The color killer suppresses the chroma processing when the color burst of the video signal is
weak or not present. The SECAM standard is similar to PAL except for the modulation of color which is FM instead
of QAM.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP5150AM1 制造商:Texas Instruments 功能描述:Ultra-low Power Video Decoder TVP5150AM1
TVP5150AM1-EP 制造商:TI 制造商全稱:Texas Instruments 功能描述:Ultralow-Power NTSC/PAL/SECAM Video Decoder
TVP5150AM1IPBS 功能描述:視頻 IC Ultralow Pwr NTSC PAL/SECAM 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
TVP5150AM1IPBS 制造商:Texas Instruments 功能描述:IC VIDEO DECODER 9BIT 30MSPS TQFP-32 制造商:Texas Instruments 功能描述:IC, VIDEO DECODER, 9BIT, 30MSPS, TQFP-32
TVP5150AM1IPBSQ1 功能描述:視頻 IC UltraLo Pwr NTSC/ PAL/SECAM 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
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