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參數(shù)資料
| 型號(hào)： | TDA4681 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Video processor with automatic cut-off and white level control |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, SOT-117-1, MO-015AH, DIP-28 |
| 文件頁(yè)數(shù)： | 19/28頁(yè) |
| 文件大小： | 160K |
| 代理商： | TDA4681 |
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1997 Mar 04
19
Philips Semiconductors
Product specification
Video processor with automatic cut-off
and white level control
TDA4681
Fig.7 Cut-off and white level measurement pulses.
(1) Maximum brightness.
(2) Nominal brightness.
handbook, full pagewidth
ultra-black level
(1)
(2)
cut-off measurement level
for green signal
white measurement level
for green signal
MED701
d
621 622 623 624 625 1
2
3
4
5
6
7
8
9
10 11
12 13 14 15 16 17 18 19 20 21 22 23 24
26
25
27 28
MR MG MB WR
WG
WB
MR MG MB WR
WG
WB
MR MG MB WR
WG
WB
PAL,
SECAM
NTSC,
PAL M
PAL,
SECAM
(with
increased
vertical
blanking
interval)
V component of the sandcastle pulse
vertical flyback 850
μ
s
(leakage current measurement time)
vertical blanking interval, 22 complete lines
V component of the sandcastle pulse
vertical blanking interval, 19 complete lines
V component of the sandcastle pulse
LM
LM
LM
vertical blanking interval, 25 complete lines
cut-off and
white level
measurement
pulses
MED702
Fig.8 Leakage current, cut-off and white level current measurement timing diagram.
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