參數(shù)資料
型號(hào)： TVP5146M1PFP
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP80
封裝： POWERPAD, PLASTIC, QFP-80
文件頁(yè)數(shù)： 20/104頁(yè)
文件大?。?/td> 593K
代理商： TVP5146M1PFP
26
2.2.2.2 Y/C Separation
Y/C separation can be done using adaptive 5-line (5-H delay) comb filters or a chroma trap filter. The comb filter can
be selectively bypassed in the luma or chroma path. If the comb filter is bypassed in the luma path, then chroma trap
filters are used which are shown in Figure 28 through Figure 211. TI’s patented adaptive comb filter algorithm
reduces artifacts such as hanging dots at color boundaries. It detects and properly handles false colors in high
frequency luminance images, such as a multiburst pattern or circle pattern. Adaptive comb filtering is the
recommended mode of operation.
40
35
30
25
20
15
10
5
0
5
10
01234567
f – Frequency – MHz
No Notch Filter
Notch 3 Filter
Notch 2 Filter
Amplitude
dB
Figure 28. Chroma Trap Filter Frequency
Response, NTSC Square Pixel Sampling
Notch 1 Filter
f – Frequency – MHz
40
35
30
25
20
15
10
5
0
5
10
01234567
No Notch Filter
Notch 3 Filter
Notch 1 Filter
Amplitude
dB
Figure 29. Chroma Trap Filter Frequency
Response, NTSC ITU-R BT.601 Sampling
Notch 2 Filter
40
35
30
25
20
15
10
5
0
5
10
01234567
Figure 210. Chroma Trap Filter Frequency
Response, PAL ITU-R BT.601 Sampling
Figure 211. Chroma Trap Filter Frequency
Response, PAL Square Pixel Sampling
f – Frequency – MHz
Amplitude
dB
No Notch Filter
Notch 2 Filter
Notch 1 Filter
Notch 3 Filter
f – Frequency – MHz
40
35
30
25
20
15
10
5
0
5
10
01234567
Amplitude
dB
No Notch Filter
Notch 2 Filter
Notch 1 Filter
Notch 3 Filter
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP5146M1PFPG4 功能描述:IC VIDEO DECODER 10BIT 80TQFP-EP RoHS:是 類(lèi)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(lèi)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(lèi)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(chēng):Q4645799
TVP5146M1PFPR 功能描述:視頻 IC 10-Bit Digital 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
TVP5146M1PFPRG4 功能描述:視頻 IC 10-Bit Digital 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
TVP5146M2 制造商:Texas Instruments 功能描述:4x10-bit Video Decoder TVP5146M2PFP
TVP5146M2IPFP 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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