參數(shù)資料
型號(hào)： TVP5031PFP
廠商： TEXAS INSTRUMENTS INC
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP80
封裝： POWER, PLASTIC, TQFP-80
文件頁(yè)數(shù)： 15/92頁(yè)
文件大?。?/td> 415K
代理商： TVP5031PFP
2–6
2.2.2.1 Color Low-Pass Filter
Color low-pass filter frequency responses are shown in Figures 2–5 to 2–8. High filter bandwidth preserves sharp
color transitions and produces crisp color boundaries. However for nonstandard video sources that have
asymmetrical U and V side bands, it is desirable to limit the filter bandwidth to avoid UV crosstalk. Color low-pass
filter bandwidth is programmable by enabling one of the three notch filters.
f – Frequency – MHz
–70
–60
–50
–40
–30
–20
–10
0
10
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
PAL SQP –3 dB
@ 1.33 MHz
NTSC SQP –3 dB
@ 1.11 MHz
CCIR 601 –3 dB
@ 1.22 MHz
Amplitude
–
dB
f – Frequency – MHz
–70
–60
–50
–40
–30
–20
–10
0
10
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Amplitude
–
dB
No Notch Filter
–3 dB @ 1.11 MHz
Notch1 Filter –3
dB @ 798 kHz
Notch3 Filter –3
dB @ 454 kHz
Notch2 Filter –3
dB @ 664 kHz
Figure 2–5. Color Low-Pass Filter Frequency
Response
Figure 2–6. Color Low-Pass Filter With Notch
Filter Frequency Response
(NTSC and PAL-M Square Pixel Sampling)
f – Frequency – MHz
–70
–60
–50
–40
–30
–20
–10
0
10
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Amplitude
–
dB
No Notch Filter
–3 dB @ 1.22 MHz
Notch3 Filter –3
dB @ 499 kHz
Notch2 Filter –3
dB @ 730 kHz
Notch1 Filter –3
dB @ 878 kHz
f – Frequency – MHz
–70
–60
–50
–40
–30
–20
–10
0
10
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Amplitude
–
dB
No Notch Filter
–3 dB @ 1.33 MHz
Notch3 Filter –3
dB @ 545 kHz
Notch2 Filter –3
dB @ 798 kHz
Notch1
Filter –3 dB
@ 959 kHz
Figure 2–7. Color Low-Pass Filter With Notch
Filter Characteristics (13.5 MHz Sampling)
Figure 2–8. Color Low-Pass Filter With Notch
Filter Response (PAL Square Pixel Sampling)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
TVP5040EVM 制造商:Texas Instruments 功能描述:EVAL BD TVP5040EVM USER S GUIDE - Bulk
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