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參數(shù)資料
| 型號(hào)： | TVP5160PNPG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號(hào)轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP128 |
| 封裝： | PLASTIC, HTQFP-128 |
| 文件頁數(shù)： | 36/119頁 |
| 文件大?。?/td> | 1347K |
| 代理商： | TVP5160PNPG4 |
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Functional Description
13
February 2005 Revised April 2006
SLES135A
3.2.6 Time Base Corrector
The time base corrector monitors and corrects for horizontal PLL phase offsets up to ±80 pixels. This improves
video decoder output quality by removing artifacts due to jittery horizontal syncs from broadcast stations. It
also reduces line tearing during VCR trick modes such as fast forward and rewind. 3DYC, frame recursive
noise reduction (3DNR), and time base correction (TBC) can be used simultaneously or independently. Since
TBC does not require any external memory, it can be used in all configurations.
3.2.7 IF Compensation
Attenuation of higher frequencies from the tuners input characteristics or due to channels that are not correctly
tuned can be corrected in the IF compensation block. This block can correct for uneven sidebands resulting
in incorrect and uneven UV demodulation.
3.2.8 Luminance Processing
The luma component is derived from the composite signal by subtracting the remodulated chroma information.
The luminance signal is then fed to the input of a peaking circuit. Figure 32 illustrates the basic functions of
the luminance data path. In the case of S-Video, the luminance signal bypasses the comb filter or chroma trap
filter and is fed to the circuit directly. A peaking filter (edge-enhancer) amplifies high frequency components
of the luminance signal. Figure 33 shows the characteristics of the peaking filter at four different gain settings
that are user-programmable by the I2C.
Bandpass
Filter
x
Gain
Peaking
Filter
IN
+
OUT
Delay
Peak
Detector
Figure 32. Luminance Edge-Enhancer Peaking Block
Gain = 0
Gain = 2
Gain = 1
Gain = 0.5
Peak at
f = 2.40 MHz
Figure 33. Peaking Filter Frequency Response NTSC/PAL ITU_R BT.601 Sampling
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TVP5160PNP | COLOR SIGNAL DECODER, PQFP128 |
| TVP5200PZP | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| TVP6000CPFP | COLOR SIGNAL ENCODER, PQFP80 |
| TVP7000PZPG4 | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| TVP7000PZPRG4 | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP6000C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL Digital Video Encoder |
| TVP6000CPFP | 功能描述:接口—CODEC NTSC / PAL VIDEO ENCODER RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| TVP7000 | 制造商:Texas Instruments 功能描述:Triple 8-bit Digitizer 150MSPS TVP7000 |
| TVP7000EVM | 功能描述:視頻 IC 開發(fā)工具 TVP7000 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評(píng)估:LMH1251 工作電源電壓:5 V |
| TVP7000PZP | 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 Triple 8/10B 150/110 MSPS Video ADC RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
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