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參數(shù)資料
| 型號： | SAA7129 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Digital video encoder |
| 中文描述： | 數(shù)字視頻編碼器 |
| 文件頁數(shù)： | 24/56頁 |
| 文件大小： | 192K |
| 代理商： | SAA7129 |
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2000 Mar 08
24
Philips Semiconductors
Product specification
Digital video encoder
SAA7128H; SAA7129H
Table 32
Subaddress 5BH
Table 33
GAINU values
Note
1.
All IRE values are rounded up
Table 34
Subaddress 5CH
Table 35
GAINV values
Note
1.
All IRE values are rounded up.
BIT
SYMBOL
DESCRIPTION
7 to 0
GAINU[7:0]
These are the 8 LSBs of the 9-bit code that selects the variable gain for the C
B
signal;
input representation in accordance with “ITU-R BT601” see Table 33. The MSB is held
in subaddress 5DH, see Table 36.
CONDITIONS
(1)
ENCODING
white-to-black = 92.5 IRE
GAINU[8:0] = 0
GAINU[8:0] = 118 (76H)
white-to-black = 100 IRE
GAINU[8:0] = 0
GAINU[8:0] = 125 (7DH)
GAINU[8:0] = 106 (6AH)
GAINU =
2.17
×
nominal to +2.16
×
nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
GAINU =
2.05
×
nominal to +2.04
×
nominal
output subcarrier of U contribution = 0
output subcarrier of U contribution = nominal
nominal GAINU for SECAM encoding
BIT
SYMBOL
DESCRIPTION
7 to 0
GAINV[7:0]
These are the 8 LSBs of the 9-bit code that selects the variable gain for the C
R
signal;
input representation in accordance with “ITU-R BT601” see Table 35. The MSB is held
in subaddress 5EH, see Table 38.
CONDITIONS
(1)
ENCODING
white-to-black = 92.5 IRE
GAINV[8:0] = 0
GAINV[8:0] = 165 (A5H)
white-to-black = 100 IRE
GAINV[8:0] = 0
GAINV[8:0] = 175 (AFH)
GAINV[8:0] = 129 (81H)
GAINV =
1.55
×
nominal to +1.55
×
nominal
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
GAINV =
1.46
×
nominal to +1.46
×
nominal
output subcarrier of V contribution = 0
output subcarrier of V contribution = nominal
nominal GAINV for SECAM encoding
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA7129H | Digital video encoder |
| SAA7130 | PCI video broadcast decoder |
| SAA7134 | PCI audio and video broadcast decoder |
| SAA7135 | Single-chip, analog TV video/stereo DECODER |
| SAA7139 | The Digital Video Decoder/Encoder Modules(數(shù)字視頻譯碼器/編碼器模塊) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA7129/DENC29A | 制造商:NXP Semiconductors 功能描述: |
| SAA7129AH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital video encoder |
| SAA7129AH/V1,518 | 功能描述:視頻 IC DIG VID ENCODER NTSC PAL SECAM RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SAA7129AH/V1,557 | 功能描述:視頻 IC DIG VID ENCODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SAA7129AHB | 功能描述:視頻 IC DIG VID ENCODER NTSC PAL SECAM RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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