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參數(shù)資料
| 型號(hào)： | TB1227BN |
| 廠商： | Toshiba Corporation |
| 英文描述： | VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL/NTSC/SECAM SYSTEM COLOR TV |
| 中文描述： | 視頻，色度和同步信號(hào)處理集成電路的PAL / NTSC制式/ SECAM制式彩電 |
| 文件頁(yè)數(shù)： | 89/94頁(yè) |
| 文件大小： | 1292K |
| 代理商： | TB1227BN |
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TB1227CNG
2004-05-24
89
TEST CONDITION (Unless otherwise specified : H, RGB V
CC
= 9V ; V
DD
, Fsc V
DD
, Y / C V
CC
= 5V ; Ta = 25±3°C)
BUS : TEST MODE
BUS : NORMAL CONTROL MODE
02H
07H
0FH
10H
D
4
D
3
D
2
D
7
D
5
D
4
D
4
D
7
D
5
D
4
D
3
D
2
D
1
D
0
S
1FH
NOTE
ITEM
26
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
MEASURING METHOD
S
7
Color Difference
Attenuation Quantity
OFF — — — — —
—
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1
(1) The same procedure as the steps 1 and 2 of the
Note S
5
.
(2) In the condition that SUB (IF) D
6
= 1, measure
amplitudes of color difference signals of pin 35
and pin36 as VRSA and VBSA respectively, and
find SATTR and SATTB from measurement
results.
SATTR = 20
og (VRSA / VRS),
SATTB = 20
og (VBSA / VBS)
S
8
Color Difference S / N
Ratio
↑
— — — — —
—
↑
↑
↑
↑
↑
↑
↑
↑
↑
0
↑
↑
↑
↑
↑
↑
(1) The same procedure as the steps 1 and 2 of the
Note S
5
.
(2) Input non-modulated 200V
p-p
(R-Y) chroma
signal to pin 42.
(3) Measure noise amplitude nR and nB (mV
p-p
)
appearing in color difference signals of pin 35 and
pin 36 respectively.
(4) Find S / N ratio by the following equation.
3)
10E
×
nB
/
VBS
×
2
(2
og
20
S
-
SNB
=
l
l
3)
10E
×
nR
/
VRS
×
2
(2
og
20
S
-
SNR
=
S
9
Linearity
↑
— — — — —
—
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
(1) The same procedure as the step 1 of the Note S
5
.
(2) Measure and calculate amplitude of black bar
levels in output waveforms of pin 35 and pin 36 as
shown below.
LinB = V [cyan] / V [red]
LinR = V [yellow] / V [blue]
Maximum positive /
negative amplitudes in
respective axes
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相關(guān)代理商/技術(shù)參數(shù) |
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| TB1227CNG | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL / NTSC / SECAM SYSTEM COLOR TV |
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| TB1230AN | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL/NTSC SYSTEM COLOR TV |
| TB1231AN | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF + VCD PROCESSOR) IC |
| TB1231CN | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF+VCD PROCESSOR) IC |
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