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參數資料
型號: TVP5020
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: POWER, PLASTIC, TQFP-80
文件頁數: 10/89頁
文件大?。?/td> 376K
代理商: TVP5020
2–4
PAL-B,
D,G,H,I
NTSC,
PAL-M,N
–20
–25
–35
–40
0 0.5 1 1.5
2 2.5
3
Amplitude
dB
–10
–5
f – Frequency – MHz
0
4.5 5
5.5
6.5
–15
–30
3.5 46
Figure 2–3. Chroma Trap Filter Frequency Response for 13.5 MHz Sampling
NTSC,
PAL-M
PAL-N
PAL-B,
D,G,H.I
–20
–30
–35
–40
0
0.5 1 1.5
2
3
3.5
Amplitude
dB
–10
–5
f – Frequency – MHz
0
4.5 5 5.5
6.5
–15
–25
2.5
4
6
Figure 2–4. Chroma Trap Filter Frequency Response for Square-Pixel Sampling
2.2.2
Luminance Processing
The digitized composite video signal from the output of the A/D converters passes through a luminance
comb filter or a chroma trap filter that removes the chrominance signal from the composite signal to generate
the luminance signal. The luminance signal is then fed to the input of luminance signal peaking and coring
circuits. Figure 2–5 illustrates the functions of the luminance data path. In the case of S-video, the luminance
signal will bypass the comb filter or notch filter and be fed to the peaking and coring circuits directly. High
frequency components of the luminance signal are enhanced further by the peaking filter (edge enhancer).
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相關代理商/技術參數
參數描述
TVP5020CPFP 制造商:Rochester Electronics LLC 功能描述:- Bulk
TVP5020PFC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
TVP5020TQFP 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL VIDEO DECODER
TVP5021PFP 功能描述:視頻 IC NTSC/PAL 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
TVP5021PFPG4 功能描述:視頻 IC NTSC/PAL 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
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