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参数资料
| 型号： | TDA9178N |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 封装： | 0.400 INCH, PLASTIC, SOT-234, SDIP-24 |
| 文件页数： | 9/39页 |
| 文件大小： | 302K |
| 代理商： | TDA9178N |
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1999 Sep 24
17
Philips Semiconductors
Preliminary specication
YUV one chip picture improvement based on luminance
vector-, colour vector- and spectral processor
TDA9178
Colour vector processing
SKIN TONE; note 1 and Fig.4
cor
correction angle
ASK = 0; DSK = 1
123
deg
ASK = 1; DSK = 1
117
deg
ap
correction range (or aperture angle) DSK = 1; SSK = 1;
WSK = 0
45
deg
GREEN ENHANCEMENT; note 1 and Fig.5
cor
correction angle
DGR = 1
208
deg
ap
correction range (or aperture angle) DGR = 1; SGR = 0;
WGR = 0
45
deg
BLUE STRETCH; note 2 and Fig.6
(str)
stretch angle
DBL = 1
330
deg
Spectral processing
GENERAL
Qmax
maximum contour amplitude at
centre frequency
note 3
12
dB
Contour lter low frequency peaking
fpc(l)
peaking centre frequency
1fH mode; CFS = 0
2.0
MHz
2fH mode; CFS = 0
4.0
MHz
Contour lter high frequency peaking
fpc(h)
peaking centre frequency
1fH mode; CFS = 1
3.0
MHz
2fH mode; CFS = 1
6.0
MHz
Step detector
fdc
detection centre frequency
1fH mode
1.18
MHz
2fH mode
2.36
MHz
PEAKING
GPK
peaking control curve
63 steps
0 to 100
%
CORING
GCR
coring control curve
63 steps
0to45
%
LUMINANCE TRANSIENT IMPROVEMENT
tr(min)
minimum rise time 10% to 90%
note 4
30
ns
GSP
steepness control curve
63 steps
0 to 100
%
Line width control
tsd(max)
maximum step displacement
1fH mode
140
ns
2fH mode
70
ns
GLW
line width control curve (duty factor) 63 steps at 1 MHz
sine wave at 1fH
33 to 67
%
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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相关代理商/技术参数 |
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| TDA9178T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:YUV one chip picture improvement based on luminance vector-, colour vector- and spectral processor |
| TDA9181 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated multistandard comb filter |
| TDA9181P | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated multistandard comb filter |
| TDA9181T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated multistandard comb filter |
| TDA9183 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Integrated NTSC comb filter |
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