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THS8200PFP 参数 Datasheet PDF下载

THS8200PFP图片预览
型号: THS8200PFP
PDF下载: 下载PDF文件 查看货源
内容描述: 所有格式的过采样COMPONENT VIDEO / PC图形的D / 3个11位DAC的系统中, CGMS数据插入 [ALL FORMAT OVERSAMPLED COMPONENT VIDEO/PC GRAPHICS D/A SYSTEM WITH THREE 11-BIT DACS,CGMS DATA INSERTION]
分类和应用: PC
文件页数/大小: 97 页 / 503 K
品牌: TI [ TEXAS INSTRUMENTS ]
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4.6 Interpolating Finite Impulse Response Filter (IFIR)  
For relaxing the requirements of the reconstruction filter behind the DAC in the analog domain, and in order to take  
advantage of the high-speed capability of the DACs in THS8200, a 2× digital up-sampling and interpolation filter  
module is integrated.  
Figure 48 through Figure 411 show the YRGB and CbCr filtering requirements for HDTV (SMPTE274M/296M  
standards) and SDTV (ITU-R.BT601 standard), respectively.  
1+δ  
1
1δ  
6 dB  
40 dB  
50 dB  
0.20 fs 0.25 fs 0.30 fs  
0.37 fs  
Frequency  
NOTE: δ = 0.05 dB. fs=74.25 MSPS for 1080I and 720P HDTV formats.  
Figure 48. P and P Filter Requirements Based on SMPTE 296M/274M  
B
R
411