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參數(shù)資料
| 型號(hào)： | SAA4981T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Monolithic integrated 16 : 9 compressor |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | 7.50 MM, PLASTIC, MS-013AD, SOT-137-1, SOP-24 |
| 文件頁(yè)數(shù)： | 7/20頁(yè) |
| 文件大?。?/td> | 131K |
| 代理商： | SAA4981T |
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1995 Oct 05
7
Philips Semiconductors
Preliminary specification
Monolithic integrated 16 : 9 compressor
SAA4981
Fig.3 Horizontal timing.
(1) Nominal timing for a 52
μ
s active video signal to generate a centred compressed video signal.
(2) Worst case picture position for a 52
μ
s active video signal to generate no visible blanking between side panels and compressed video.
handbook, full pagewidth
HREF
sampled video
compressed video
(centre position)
side
panel
side
panel
side
panel
compressed video
(left position)
bypassed video
bypassed video
(bypass via the Line Memories)
(full bypass not through the Line Memories)
side
panel
64
μ
s
1.5
μ
s
1.5
μ
s
49
μ
s (used for compression)
52
μ
s
36.75
μ
s
6.3
μ
s
(1)
(2)
(1)
(2)
(2)
(2)
compressed video
(right position)
MHA278
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