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參數(shù)資料
| 型號： | TDA9103 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Deflection Processor for Multisync Monitor(用于多路同步監(jiān)控器的偏轉(zhuǎn)處理器) |
| 中文描述： | 偏轉(zhuǎn)處理器的多頻顯示器（用于多路同步監(jiān)控器的偏轉(zhuǎn)處理器） |
| 文件頁數(shù)： | 16/27頁 |
| 文件大?。?/td> | 305K |
| 代理商： | TDA9103 |
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V
REF
H-amp Reg-in
39
Compensation
Clamp
I
SENSE
42
H-FREQ
Buffer
SMPS
OUT
+
-
EA
RAP CYC
-
+
S
Basc
R
40
41
22
9
Figure 18 :
SMPS BlockDiagram
H Osc
Sawtooth
SMPS Drive
SMPS Current
1.6V
6.4V
0.75T
0.25T
Error
Amplifier
Output (1.2V Max)
9
Figure 19 :
SMPS Timing Diagram
Usyst
U
0
TDA9103
Hamp
Adjust
V
4.8V
SWITCHING
REGULATOR
Flyback Peak
Detection and Regulation
H yoke
HDRIVE
Usyst is
approximatively
proportional
to Hfreq
Step-up Converter
H Scanning Part
9
Figure 20 :
H ScanningAmplitude Regulation Example
The following functions are implemented in the
TDA9103:
- ADC controlled variable gainamplifierallowing a
variationof
±
14% of the voltagereference.
This is used to set the horizontal image ampli-
tude.
- An erroramplifier, the noninverting inputofwhich
is connectedto the above mentioned adjustable
voltagereference.
The inverting input and the output of the error
amplifierare externallyaccessible.
- A comparator which determines the conduction
of theexternaltransistorby comparingtheoutput
voltage of the error amplifier and the voltage
applied on Pin42 (I
SENSE
), whichis the image of
the current in the power transistor (current mode
principle).
- Aflip-flop which memorizes the on or off state of
the powertransistor.
- An output bufferstage (open collector).
TDA9103
16/27
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA9105A | DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| TDA9105 | Deflection Processor for Multisync Monitors(偏轉(zhuǎn)處理器) |
| TDA9106A | LOW COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| TDA9106 | LOW COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| TDE1737 | Interface Circuit - Relay and Lamp-Driver(接口電路(單片放大器驅(qū)動繼電器和電子管)) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA9105 | 制造商:Panasonic Industrial Company 功能描述:IC |
| TDA9105A | 制造商:Panasonic Industrial Company 功能描述:IC |
| TDA9106 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| TDA9106A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| TDA9108 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MONITOR HORIZONTAL PROCESSOR |
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