參數(shù)資料
型號: VPX322XE
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Video Pixel Decoders
中文描述: 視頻解碼器像素
文件頁數(shù): 9/92頁
文件大小: 567K
代理商: VPX322XE
ADVANCE INFORMATION
VPX 322xE
9
Micronas
Table 2
1:
ADC input range
for PAL input signal and corresponding output signal ranges
Signal
Input Level [mV
pp
]
ADC
Range
YC
r
C
b
Output
Range
6 dB
0 dB
+
4.5 dB
[steps]
[steps]
CVBS
100% CVBS
667
1333
2238
252
75% CVBS
500
1000
1679
213
video (luma)
350
700
1175
149
224
sync height
150
300
504
64
clamp level
68
16
Chroma
burst
300
64
100% Chroma
890
190
128
112
75% Chroma
670
143
128
84
bias level
128
128
ííííííííí
255
192
128
0
black
= clamp
level
white
217
video = 100 IRE
sync = 41 IRE
ííííííííí
ííííííííí
68
32
192
128
228
ííííííííí
80
32
ííííííííí
ííííííííí
upper headroom = 38 steps = 1.4 dB = 25 IRE
lower headroom = 4 steps = 0.2 dB
headroom = 56 steps = 2.1 dB
CVBS/Y
Chroma
7
1
b
Fig. 2
2:
ADC ranges for CVBS/Luma and Chroma, PAL input signal
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