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ADV7125BCPZ170-RL 参数 Datasheet PDF下载

ADV7125BCPZ170-RL图片预览
型号: ADV7125BCPZ170-RL
PDF下载: 下载PDF文件 查看货源
内容描述: CMOS , 330 MHz三通道,8位高速视频DAC [CMOS, 330 MHz Triple 8-Bit High Speed Video DAC]
分类和应用: 转换器数模转换器
文件页数/大小: 16 页 / 293 K
品牌: ADI [ ADI ]
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ADV7125  
TERMINOLOGY  
Raster Scan  
Blanking Level  
The most basic method of sweeping a CRT one line at a time to  
generate and display images.  
SYNC  
The level separating the  
portion from the video portion  
of the waveform. Usually referred to as the front porch or back  
porch. At 0 IRE units, it is the level that shuts off the picture  
tube, resulting in the blackest possible picture.  
Reference Black Level  
The maximum negative polarity amplitude of the video signal.  
Reference White Level  
Color Video (RGB)  
The maximum positive polarity amplitude of the video signal.  
This refers to the technique of combining the three primary  
colors of red, green, and blue to produce color pictures within  
the usual spectrum. In RGB monitors, three DACs are required,  
one for each color.  
Sync Level  
SYNC  
The peak level of the  
signal.  
Video Signal  
SYNC  
Sync Signal (  
)
The portion of the composite video signal that varies in gray  
scale levels between reference white and reference black. Also  
referred to as the picture signal, this is the portion that can be  
visually observed.  
The position of the composite video signal that synchronizes  
the scanning process.  
Gray Scale  
The discrete levels of video signal between reference black and  
reference white levels. An 8-bit DAC contains 256 different levels.  
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