參數(shù)資料
型號(hào)： TVP5031CPFP
廠商： Texas Instruments, Inc.
英文描述： Color Decoder Circuit
中文描述： 彩色解碼器電路
文件頁(yè)數(shù)： 21/85頁(yè)
文件大?。?/td> 378K
代理商： TVP5031CPFP
2–5
2.2.2
Y/C Separation
Figure 2–4 illustrates the luminance/chrominance (Y/C) separation process in the TVP5031. The 9-bit composite
video is multiplied by subcarrier signals in the quadrature demodulator to generate color difference signals U and V.
U and V are then low-pass filtered to achieve the desired bandwidth. An adaptive 3-line comb filter separates UV from
Y based on the unique property of color phase shift from line to line. 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, hue, and saturation are
programmable.
Line
Delay
TVP5031 Y/C SEPARATION
–
Peaking
Quadrature
Modulation
Composite
Quadrature
Demodulation
Subcarrier
Generation
Notch
Filter
Color
LPF
Burst
Accum
3-Line
Adaptive
Comb
Filter
Color
LPF
Burst
Accum
Notch
Filter
Notch
Filter
Notch
Filter
To
Sync Block
Delay
Contrast
Brightness
Saturation
Control
Delay
V
Y
U
U
V
Y
Figure 2–4. Y/C Separation Block Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP5031PFP 功能描述:IC 9-BIT VIDEO DECODER 80-QFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
TVP5031TQFP 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL VIDEO DECODER
TVP5040 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL Digital Video Decoder With Macrovision Detection
TVP5040CPFP 功能描述:IC NTSC/PAL VIDEO DECODER 80TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
TVP5040CPFPG4 功能描述:IC NTSC/PAL VIDEO DECODER 80TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
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