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參數(shù)資料
| 型號(hào)： | S1D2518X01 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 元件分類： | 視頻放大器 |
| 英文描述： | DB25 RJ11,4 WIRE ONLY. FEMAL |
| 中文描述： | 的I2C總線控制轉(zhuǎn)/克/乙視頻放大器 |
| 文件頁數(shù)： | 26/38頁 |
| 文件大小： | 457K |
| 代理商： | S1D2518X01 |
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S1D2518X01 I
2
C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
25
Preliminary
R/G/B cut-off control and cut-off brightness control are carried out through the same route. The amount of the
voltage drop is the product of the sinking current amount of S1D2518X's pin17 and the R1 value. Therefore, the B
point's voltage is 80V - (sinking current x R1) + 2Vbe. If the value of R1 is large, the Resolution quality is lessened,
but the voltage control range is increased. Since the routes of the cut-off control current and the cut-off brightness
control current are the same, the sinking current amount and R1 value should be adjusted for appropriate values to
the set's specifications.
– Cut-off and Set Brightness Control Method
You can use two methods for cut-off and set brightness control.
The RCT, GCT and BCT pins are composed of open collector type.
The pin configuration is like that.
The first method is using current DAC configuration.
In this method, sunk current amounts decide cut-off voltage. You used 75V, 75k
and 500uA sunk current in the
application circuit. Then the cut-off bias voltage is 75V - (75k
x 500uA) + 2Vbe = 39V.
If you reduce the resistor R1 value or sunk current, then the cut-off bias voltage level goes high. (39V
↑
)
0.2k
S1D2518X
Rout
Generic
Driver
IC
75k
R1
75k
2.2k
0.47uF
50V
47
1uF
100V
12V
RCT
75V
BAV21
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-1-D-2-D | 制造商:Interconnect Devices Inc (IDI) 功能描述:SPRING CONTACT PROBE |
| S-1-D-2-D D/C .670 OAL | 功能描述:觸點(diǎn)探頭 HEADED RADIUS RoHS:否 制造商:IDI 類型:Probes 尖端類型:Spherical Radius 長度:8.26 mm 電流額定值:10 A 彈力:2.3 oz 行程:1.52 mm 系列:101050 |
| S-1-D-2-G | 制造商:Interconnect Devices Inc (IDI) 功能描述:connectors |
| S-1-D-2-G D/C .670 OAL | 功能描述:觸點(diǎn)探頭 HEADED RADIUS RoHS:否 制造商:IDI 類型:Probes 尖端類型:Spherical Radius 長度:8.26 mm 電流額定值:10 A 彈力:2.3 oz 行程:1.52 mm 系列:101050 |
| S-1-D-3.8-D D/C .670 OAL | 功能描述:觸點(diǎn)探頭 HEADED RADIUS RoHS:否 制造商:IDI 類型:Probes 尖端類型:Spherical Radius 長度:8.26 mm 電流額定值:10 A 彈力:2.3 oz 行程:1.52 mm 系列:101050 |
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