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參數(shù)資料
| 型號： | S1D2511B01-A0 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| 中文描述： | 偏轉(zhuǎn)處理器多同步監(jiān)測儀 |
| 文件頁數(shù)： | 28/34頁 |
| 文件大?。?/td> | 330K |
| 代理商： | S1D2511B01-A0 |
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S1D2511B01 DEFLECTION PROCESSOR FOR MULTISYNC MONITORS
28
Output Section
The H-drive signal is transmitted to the output through a shaping block ensuring TS and I
2
C adjustable duty cycle.
In order to secure scanning power part operation, the output is inhibited in the following circumstances:
- Vcc too low
- Xray protection activated
- During horizontal flyback
- H Drive I
2
C bit control is off.
The output stage is composed of a NPN bipolar transistor. Only the collector is accessible (see figure 14).
Figure 14.
The output NPN is in off-state when the power scanning transistor is also in off-state.
The maximum output current is 30mA, and the corresponding voltage drop of the output V
CEsat
is 0.4V typically.
It is evident that the power scanning transistor cannot be directly driven by the integrated circuit. An interface has
to be designed between the circuit and the power transistor which can be of bipolar or MOS type.
X-RAY protection
The activation of the X-ray protection is obtained by application of a high level on the X-ray input (8V on pin 25). It
inhibits the H-Drive and B+ outputs.
This protection is latched; It may be reset either by Vcc switch off or by I
2
C(see figure 15).
Horizontal and vertical dynamic focus
The S1D2511B01 delivers and horizontal parabola added on a vertical parabola wavefrom on pin 10. This horizon-
tal parabola is performed from a sawtooth in phase with flyback pulse middle. This sawtooth is present on pin 9
where the horizontal focus capacitor is the same as C0 to obtain a controlled amplitude (from 2 to 4.7V typically).
Symmetry (keystone) and amplitude are I
2
C adjustable (see figure 16). Vertical dynamic focus is tracked with
VPOS and VAMP. Its amplitude can be adjusted. It is also affected by S and C corrections. This positive signal has
to be connected to the CRT focusing grids.
26 H-DRIVE
相關(guān)PDF資料 |
PDF描述 |
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| S1D2511B01 | DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2511B01-A0B0 | DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S1D2511B01-A0B0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2511C01-AO | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2512X01 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2512X01-A0B0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2514X01 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:S1D2514X01-D0B0 |
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