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參數(shù)資料
| 型號： | STV9211 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 運動控制電子 |
| 英文描述： | 12 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| 中文描述： | 12納秒三通道視頻放大器高壓 |
| 文件頁數(shù)： | 7/24頁 |
| 文件大?。?/td> | 444K |
| 代理商： | STV9211 |
STV9553
7/24
6
THEORY OF OPERATION
6.1
General
The STV9553 is a three-channel video amplifier supplied by a low supply voltage: V
CC
(typ.12V) and a
high supply voltage: V
DD
(up to 115V).
The high values of V
DD
supplying theamplifier output stage allow direct control of the CRT cathodes (DC
coupling mode).
In DC coupling mode, the application schematic is very simple and only a few external components are
needed to drive the cathodes. In particular, there is no need of the DC-restore circuitry which is used in
classical AC coupling applications.
The output voltage range is wide enough (Figure 2) to provide simultaneously :
– Cut-off adjustment (typ. 25V)
– Video contrast (typ. up to 40V),
– Brightness (with the remaining voltage range).
In normal operation, the output video signal must remain inside the linear region whatever the cut-off,
brightness and contrast adjustments are.
Figure 2. Output signal, level adjustments
(A)
Top Non-Linear Region
L
V
DD
(E)
Bottom Non-Linear Region
GND
Blanking pulse
Video Signal
(B) Cut-off Adjust. (25V Typ.)
(C) Brightness Adjust. (10V Typ.)
(D) Contrast Adjust. (40V Typ.)
15V
17V
3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| STV9553 | 12 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| STV9936 | 12 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| STV9936P | 12 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| STV9936S | 12 ns TRIPLE-CHANNEL HIGH VOLTAGE VIDEO AMPLIFIER |
| STV9212 | Video Processor for CRT Monitors with PictureBooST |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STV9212 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Video Processor for CRT Monitors with PictureBooST |
| STV9302 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERTICAL DEFLECTION OUTPUT FOR MONITOR / TV 2 App / 60 V WITH FLYBACK GENERATOR |
| STV9302A | 制造商:STMicroelectronics 功能描述:ST MICRO IC 7-PIN ZIP 264879 |
| STV9303 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PULSE DRIVEN VERTICAL BOOSTER |
| STV9303W | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PULSE DRIVEN VERTICAL BOOSTER |
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