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参数资料
| 型号： | TMC2272AKEC |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | DSP Peripheral |
| 英文描述： | 12-BIT, DSP-VIDEO IMAGING, PQFP120 |
| 封装： | PLASTIC, MQFP-120 |
| 文件页数： | 7/20页 |
| 文件大小： | 170K |
| 代理商： | TMC2272AKEC |
TMC2272A
PRODUCT SPECIFICATION
REV. 1.1.3 10/25/00
15
The same methods are used to decimate the color difference
outputs. Simple decimation by removing every other sample
of color information may yield unsatisfactory results due to
aliasing. This is a problem because the color difference sig-
nals have not been transformed with the higher-bandwidth
luminance signals and therefore have higher bandwidths than
they had before the transform. The best performance is
obtained by using a precise low-pass (half-band) decimation
lter such as the TMC2242B to remove aliasing components.
See Figure 11.
The TMC2242B is a bi-directional, selectable rate lter/
interpolator/decimator.
Figure 10. Input Interpolation and Filtering
Figure 11. Output Decimation and Filtering
Related Products
TMC1175 8 bit 40 Msps A/D Converter
TMC2301 Image Resampling Sequencer
TMC2302A Image Manipulation Sequencer
TMC2249A Video Mixer
TMC2242B Half–Band Filter
TMC2330A Coordinate Transformer
EQUALIZING PIPELINE
DELAY, 60 CYCLES OR
TMC2242B IN 1:1 MODE
LUMINANCE
(Y) INPUT
TMC2242B LOW PASS
FILTER/INTERPOLATOR,
1:2 MODE
TMC2242B LOW PASS
FILTER/INTERPOLATOR,
1:2 MODE
A11-0
B11-0
C11-0
TMC2272A
CLK
DE-MUX
12
x/2 MSPS
xMSPS
x/2 MSPS
(Cr)
(Cb)
12
xMSPS
Cr+Cb
xMSPS
(Y)
(Cr)
NOTE1
(Cb)
xMSPS
Notes:
1. Width of input paths will vary with source.
2. See TMC2242B Datasheet for further information.
EQUALIZING PIPELINE
DELAY, 60 CYCLES OR
TMC2242B IN 1:1 MODE
Cr+Cb OUTPUT
(MULTIFLEXED COLOR
DIFFERENCE)
LUMINANCE
(Y) OUTPUT
TMC2242B LOW PASS
FILTER/INTERPOLATOR,
1:2 MODE
TMC2242B LOW PASS
FILTER/INTERPOLATOR,
1:2 MODE
X11-0
Y11-0
Z11-0
TMC2272A
CLK
xMSPS
DE-MUX
12
x/2 MSPS
xMSPS
x/2 MSPS
(Cr)
(Cb)
12
xMSPS
(Y)
(Cr)
(Cb)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TMC2272AKEC2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TMC2272AKEC3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TMC22X5YA | 制造商:CADEKA 制造商全称:CADEKA 功能描述:Multistandard Digital Video Decoder Three-Line Adaptive Comb Decoder Family, 8 & 10 bit |
| TMC2302A | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Image Manipulation Sequencer |
| TMC2302AH5C | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Fairchild Semiconductor Corporation 功能描述: |
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